@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #131b2e;
    --bg-tertiary: #1e294b;
    --accent-color: #6366f1;
    --accent-hover: #4f46e5;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --info: #0ea5e9;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(19, 27, 46, 0.7);
    --glass-border: rgba(255, 255, 255, 0.05);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* App Layout */
.app-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* Sidebar navigation */
.sidebar {
    width: 280px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 36px;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-color), #ec4899);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.brand-name {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(to right, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.menu-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-item a:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.03);
    transform: translateX(4px);
}

.menu-item.active a {
    color: #fff;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(99, 102, 241, 0.05));
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.menu-item.active a i {
    color: var(--accent-color);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 40px;
    min-height: 100vh;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.05), transparent 600px);
}

/* Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-title h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
}

.page-title p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Action Banner or Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--accent-color);
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.stat-card:hover .stat-icon {
    background-color: var(--accent-color);
    color: #fff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Cards & Content Blocks */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: -16px;
    margin-bottom: 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.btn-danger {
    background-color: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background-color: #dc2626;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
}

.btn-icon-only {
    padding: 8px;
    border-radius: var(--radius-sm);
}

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    padding: 14px 16px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 16px;
    font-size: 14px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: rgba(255, 255, 255, 0.01);
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 10px;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 14px;
    transition: all 0.2s ease;
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.form-helper {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Status Pills */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background-color: var(--success-bg);
    color: var(--success);
}

.badge-warning {
    background-color: var(--warning-bg);
    color: var(--warning);
}

.badge-danger {
    background-color: var(--danger-bg);
    color: var(--danger);
}

.badge-info {
    background-color: rgba(14, 165, 233, 0.15);
    color: var(--info);
}

/* Dual Column Layout */
.layout-2col {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

@media (max-width: 1024px) {
    .layout-2col {
        grid-template-columns: 1fr;
    }
}

/* Progress Tracker */
.progress-container {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    height: 8px;
    border-radius: 50px;
    overflow: hidden;
    margin-top: 8px;
    margin-bottom: 4px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), #ec4899);
    width: 0;
    transition: width 0.4s ease;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Alerts */
.alert {
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    border-left: 4px solid;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background-color: var(--success-bg);
    border-color: var(--success);
    color: #a7f3d0;
}

.alert-danger {
    background-color: var(--danger-bg);
    border-color: var(--danger);
    color: #fca5a5;
}

.alert-warning {
    background-color: var(--warning-bg);
    border-color: var(--warning);
    color: #fde047;
}

/* Console Logger (for SMTP test logs) */
.console-log {
    background-color: #05070f;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    color: #38bdf8;
    max-height: 280px;
    overflow-y: auto;
    white-space: pre-wrap;
    line-height: 1.5;
    margin-top: 15px;
}

/* Grid helper for projects lists */
.project-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.project-card {
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-tertiary));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-md);
}

.project-card-name {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
}

.project-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    min-height: 40px;
    line-height: 1.4;
}

.project-card-stats {
    display: flex;
    gap: 16px;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    font-size: 12px;
    color: var(--text-muted);
}

.project-card-stats span i {
    color: var(--accent-color);
    margin-right: 6px;
}

.project-card-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

/* Import Bulk Box */
.bulk-import-container {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
    cursor: pointer;
}

.bulk-import-container:hover {
    border-color: var(--accent-color);
    background-color: rgba(99, 102, 241, 0.02);
}

.bulk-import-container i {
    font-size: 40px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.tab-nav {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
    padding-bottom: 8px;
}

.tab-btn {
    padding: 8px 16px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.tab-btn.active {
    background-color: rgba(99, 102, 241, 0.15);
    color: #fff;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* Queue Runner Pulsing Badge */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.pulse-badge {
    animation: pulse 2s infinite;
}