:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #a5b4fc;
    --primary-dark: #3730a3;
    --secondary-color: #8b5cf6;
    --secondary-hover: #7c3aed;
    --secondary-dark: #7c3aed;
    --accent-color: #06b6d4;
    --accent-hover: #0891b2;
    --success-color: #10b981;
    --success-hover: #059669;
    --success-light: #6ee7b7;
    --warning-color: #f59e0b;
    --warning-hover: #d97706;
    --warning-light: #fcd34d;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --danger-light: #fca5a5;
    --info-color: #3b82f6;
    --info-hover: #2563eb;
    --info-light: #93c5fd;
    --sidebar-width: 280px;
    --header-height: 70px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
}

/* Enhanced Light theme variables */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-quaternary: #e2e8f0;
    --bg-hover: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    --gradient-success: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    --gradient-danger: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    --gradient-info: linear-gradient(135deg, var(--info-color) 0%, #2563eb 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, #0891b2 100%);
}

/* Enhanced Dark theme variables */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-quaternary: #475569;
    --bg-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --text-inverse: #1e293b;
    --border-color: #334155;
    --border-hover: #475569;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    --gradient-success: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    --gradient-danger: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    --gradient-info: linear-gradient(135deg, var(--info-color) 0%, #2563eb 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, #0891b2 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
}

/* Enhanced Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    z-index: 1500;
    transform: translateX(-100%);
    transition: var(--transition);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--gradient-primary);
    color: var(--text-inverse);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-inverse);
    text-decoration: none;
    transition: var(--transition);
}

.sidebar-logo:hover {
    transform: scale(1.05);
}

.sidebar-logo i {
    font-size: 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px;
    border-radius: var(--border-radius-sm);
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section-title {
    padding: 0.5rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: translateX(4px);
}

.nav-link:hover::before {
    width: 3px;
}

.nav-link.active {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 600;
}

.nav-link.active::before {
    width: 3px;
}

.nav-link i {
    width: 20px;
    text-align: center;
    z-index: 1;
    position: relative;
}

/* Enhanced Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    z-index: 1400;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    display: block;
}

.sidebar-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Header actions and user menu */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
}

.user-info {
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-info i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.header-action {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.header-action:hover {
    background: var(--bg-tertiary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.logout-btn {
    background: var(--danger-color) !important;
    color: white !important;
    border-color: var(--danger-color) !important;
}

.logout-btn:hover {
    background: #c82333 !important;
    border-color: #c82333 !important;
}

.status-badge {
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
}

.status-connected {
    background: var(--gradient-success);
    color: white;
}

.status-error {
    background: var(--gradient-danger);
    color: white;
}

/* Main Content */
.main-content {
    margin-top: var(--header-height);
    padding: 2rem;
    transition: var(--transition);
    min-height: calc(100vh - var(--header-height));
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.main-content.sidebar-open {
    margin-left: var(--sidebar-width);
}

/* Enhanced Page Headers */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-header {
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    padding: 3rem 2rem;
    margin-bottom: 2rem;
    text-align: center;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.dashboard-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.dashboard-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.dashboard-header p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 1;
}

/* Enhanced Cards */
.main-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.main-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-2xl);
}

.card-header {
    background: var(--gradient-primary);
    color: white;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.card-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.card-header p {
    font-size: 1.125rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.card-body {
    padding: 2rem;
}

/* Enhanced Metric Cards */
.metric-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.metric-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-2xl);
}

.metric-card.clickable {
    cursor: pointer;
}

.metric-card.clickable:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--card-gradient);
}

.metric-card.clients {
    --card-gradient: var(--gradient-primary);
}

.metric-card.campaigns {
    --card-gradient: var(--gradient-success);
}

.metric-card.calls {
    --card-gradient: var(--gradient-warning);
}

.metric-card.duration {
    --card-gradient: var(--gradient-danger);
}

.metric-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.metric-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.metric-card.clients .metric-icon {
    background: var(--gradient-primary);
}

.metric-card.campaigns .metric-icon {
    background: var(--gradient-success);
}

.metric-card.calls .metric-icon {
    background: var(--gradient-warning);
}

.metric-card.duration .metric-icon {
    background: var(--gradient-danger);
}

.metric-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-change {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
}

.metric-change.positive {
    color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.metric-change.negative {
    color: var(--danger-color);
    background: rgba(239, 68, 68, 0.1);
}

.metric-change.neutral {
    color: var(--text-secondary);
    background: var(--bg-tertiary);
}

/* Enhanced Grids */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.clients-grid, .campaigns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

/* Enhanced Item Cards */
.client-card, .campaign-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.client-card::before, .campaign-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
}

.client-card:hover, .campaign-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    cursor: pointer;
}

.client-header, .campaign-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.client-name, .campaign-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.client-info, .campaign-info {
    display: grid;
    gap: 0.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding: 0.25rem 0;
}

.info-item i {
    width: 16px;
    text-align: center;
    color: var(--primary-color);
}

/* Enhanced Buttons */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
    color: white;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-submit {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.4);
}

.btn-small {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.btn-small:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Enhanced Campaign Action Buttons */
.btn-start-campaign {
    background: var(--gradient-success);
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    flex: 1;
    box-shadow: var(--shadow-md);
}

.btn-start-campaign:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
}

.btn-view-results {
    background: var(--gradient-warning);
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    flex: 1;
    box-shadow: var(--shadow-md);
}

.btn-view-results:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
}

.btn-edit-campaign {
    background: var(--gradient-info);
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    flex: 1;
    box-shadow: var(--shadow-md);
}

.btn-edit-campaign:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

/* Enhanced Forms */
.form-section {
    background: var(--bg-tertiary);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    transform: translateY(-1px);
}

.form-group input:disabled,
.form-group select:disabled {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    cursor: not-allowed;
}

/* Enhanced File Upload */
.file-input-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-input-display {
    background: var(--bg-primary);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.file-input-display:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.file-input-display.dragover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.file-input-display i {
    font-size: 3rem;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.file-input-display.has-file {
    border-color: var(--success-color);
    background: var(--bg-secondary);
}

.file-input-display.has-file i {
    color: var(--success-color);
}

/* Enhanced Alerts */
.alert {
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.alert i {
    font-size: 1.25rem;
}

.alert-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.05) 100%);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.05) 100%);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.05) 100%);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

/* Enhanced Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.results-table, .call-history-table, .calls-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
}

.results-table th, .results-table td,
.call-history-table th, .call-history-table td,
.calls-table th, .calls-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.results-table th,
.call-history-table th,
.calls-table th {
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
    z-index: 10;
}

.results-table tbody tr:hover,
.call-history-table tr:hover,
.calls-table tbody tr:hover {
    background: var(--bg-secondary);
    transform: scale(1.01);
}

/* Enhanced Status Badges */
.status-badge-table, .status-badge-small {
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    box-shadow: var(--shadow-sm);
}

.status-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.1) 100%);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(220, 38, 38, 0.1) 100%);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-confirmed {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.1) 100%);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-cancelled {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(220, 38, 38, 0.1) 100%);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-rescheduled {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.1) 100%);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-busy_voicemail, .status-busy {
    background: linear-gradient(135deg, rgba(107, 114, 128, 0.2) 0%, rgba(75, 85, 99, 0.1) 100%);
    color: var(--text-secondary);
    border: 1px solid rgba(107, 114, 128, 0.3);
}

.status-not_available {
    background: linear-gradient(135deg, rgba(156, 163, 175, 0.2) 0%, rgba(107, 114, 128, 0.1) 100%);
    color: var(--text-secondary);
    border: 1px solid rgba(156, 163, 175, 0.3);
}

.status-wrong_number {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(220, 38, 38, 0.1) 100%);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-failed {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(220, 38, 38, 0.1) 100%);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Enhanced Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
}

.modal-content {
    background: var(--bg-primary);
    margin: 2% auto;
    padding: 0;
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--border-color);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.8;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
}

.modal-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.modal-body {
    padding: 2rem;
    max-height: 70vh;
    overflow-y: auto;
}

/* Enhanced Empty States */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Enhanced Loading States */
.loading {
    display: none;
    text-align: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    margin: 2rem 0;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.loading-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: spin 1s linear infinite;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced Sections */
.csv-format {
    background: var(--bg-tertiary);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.csv-format h3 {
    color: var(--primary-color);
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.csv-format code {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 1.25rem;
    border-radius: var(--border-radius-sm);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    display: block;
    overflow-x: auto;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

/* Enhanced Results */
.results {
    display: none;
    margin-top: 2rem;
}

.results-summary {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.results-summary h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.stat-item {
    background: var(--bg-primary);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Enhanced Filters */
.filters-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.filter-group select,
.filter-group input {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Enhanced Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1450;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Enhanced Quick Actions */
.quick-actions {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.quick-actions h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.action-btn {
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.action-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.4);
    color: white;
}

.action-btn:hover::before {
    left: 100%;
}

.action-btn i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 12px;
    border-radius: 50%;
}

/* Header actions and user menu */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
}

.user-info {
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-info i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.header-action {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.header-action:hover {
    background: var(--bg-tertiary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.logout-btn {
    background: var(--danger-color) !important;
    color: white !important;
    border-color: var(--danger-color) !important;
}

.logout-btn:hover {
    background: #c82333 !important;
    border-color: #c82333 !important;
}

/* Enhanced List Styles */
.list-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.list-header h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.list-filter select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    box-shadow: var(--shadow-sm);
}

.btn-close {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
}

.btn-close:hover {
    color: var(--danger-color);
    background: var(--bg-hover);
    transform: scale(1.1);
}

.clients-list-container, .campaigns-list-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.list-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.list-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.list-item.clickable {
    cursor: pointer;
}

.list-item.clickable:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.list-item.clickable:hover .list-item-title {
    color: var(--primary-color);
}

.list-item-content {
    flex-grow: 1;
    margin-right: 1rem;
}

.list-item-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.list-item-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.list-item-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.list-item-actions {
    display: flex;
    align-items: center;
}

/* Special Styles for Auth Pages */
.auth-container {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border-color);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-lg);
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-switch {
    text-align: center;
    margin-top: 1rem;
}

.auth-switch a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.auth-switch a:hover {
    text-decoration: underline;
    color: var(--primary-hover);
}

/* Auth Page Body */
.auth-body {
    background: var(--gradient-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.auth-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="auth-grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23auth-grid)"/></svg>');
    opacity: 0.3;
}

.user-types {
    margin-top: 2rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.user-types h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.user-type {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.user-type strong {
    color: var(--primary-color);
}

.role-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Transcript Styles */
.transcript-preview {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
    color: var(--primary-color);
    transition: var(--transition);
}

.transcript-preview:hover {
    text-decoration: underline;
    color: var(--primary-hover);
}

.transcript-content {
    white-space: pre-wrap;
    line-height: 1.6;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

/* Additional Components */
.voice-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 0.5rem;
}

.btn-preview {
    background: var(--gradient-success);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.btn-preview:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-preview:disabled {
    background: var(--text-tertiary);
    cursor: not-allowed;
}

#voicePreviewAudio {
    margin-top: 0.5rem;
    width: 100%;
    height: 40px;
    border-radius: var(--border-radius-sm);
    background: var(--bg-tertiary);
}

/* Score Cards */
.score-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.score-card {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.score-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(20px, -20px);
}

.score-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

.score-card:nth-child(2) {
    background: var(--gradient-success);
}

.score-card:nth-child(3) {
    background: var(--gradient-warning);
}

.score-card:nth-child(4) {
    background: var(--gradient-info);
}

.score-card-icon {
    background: rgba(255, 255, 255, 0.2);
    padding: 1rem;
    border-radius: 50%;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.score-card-content {
    flex: 1;
    z-index: 1;
}

.score-card-title {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: 0.25rem;
}

.score-card-value {
    font-size: 2rem;
    font-weight: 700;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }

.font-weight-600 { font-weight: 600; }
.font-weight-700 { font-weight: 700; }
.font-size-sm { font-size: 0.875rem; }
.font-size-lg { font-size: 1.125rem; }

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }

    .page-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .dashboard-header h1 {
        font-size: 2rem;
    }

    .card-header h1 {
        font-size: 2rem;
    }

    .card-body {
        padding: 1.5rem;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .clients-grid, .campaigns-grid {
        grid-template-columns: 1fr;
    }

    .metric-value {
        font-size: 2.5rem;
    }

    .results-table, .call-history-table, .calls-table {
        font-size: 0.875rem;
    }

    .results-table th, .results-table td,
    .call-history-table th, .call-history-table td,
    .calls-table th, .calls-table td {
        padding: 0.75rem 0.5rem;
    }

    .filters-grid {
        grid-template-columns: 1fr;
    }

    .score-cards-container {
        grid-template-columns: 1fr;
    }

    .actions-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 1024px) {
    .sidebar {
        transform: translateX(0);
        z-index: 1000;
    }

    .main-content {
        margin-left: var(--sidebar-width);
    }

    .sidebar-overlay {
        display: none !important;
    }

    .sidebar-toggle {
        display: none !important;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}