/* ==========================================================================
   Card Components - Shared card styles across the application
   ========================================================================== */

/* ==========================================================================
   Base Card Styles
   ========================================================================== */

.modern-card {
    background: white;
    border-radius: 16px;
    border: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.2s;
}

.modern-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.modern-card .card-header {
    background: transparent;
    border-bottom: 1px solid #f3f4f6;
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: #374151;
}

.modern-card .card-body {
    padding: 1.25rem;
}

/* ==========================================================================
   Gradient Card Base
   ========================================================================== */

.gradient-card {
    border-radius: 16px;
    border: none;
    color: white;
    overflow: hidden;
}

.gradient-card .card-header {
    background: rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: white;
}

.gradient-card .card-header a {
    color: white;
    border-color: rgba(255,255,255,0.5);
}

.gradient-card .card-header a:hover {
    background: rgba(255,255,255,0.2);
    border-color: white;
    color: white;
}

.gradient-card .card-body {
    padding: 1.25rem;
}

/* ==========================================================================
   Gradient Variants
   ========================================================================== */

.gradient-card.primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

.gradient-card.success {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

.gradient-card.danger {
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
}

.gradient-card.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

.gradient-card.info {
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
}

.gradient-card.dark {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

.gradient-card.purple {
    background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
}

.gradient-card.pink {
    background: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
}

.gradient-card.teal {
    background: linear-gradient(135deg, #14b8a6 0%, #2dd4bf 100%);
}

.gradient-card.navy {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
}

.gradient-card.rose {
    background: linear-gradient(135deg, #be185d 0%, #9f1239 100%);
}

/* ==========================================================================
   Insight Card
   ========================================================================== */

.insight-card {
    background: #f9fafb;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.insight-card.prompt-card {
    background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
    border: 1px solid #ddd6fe;
}

.insight-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.85rem;
    color: #4b5563;
    margin-bottom: 0.75rem;
}

.insight-header i {
    color: #6366f1;
}

.insight-card .prompt-text {
    font-size: 0.9rem;
    color: #374151;
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

/* ==========================================================================
   Stats Card
   ========================================================================== */

.stat-card-modern {
    border-radius: 16px;
    padding: 1.5rem;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.2s;
}

.stat-card-modern:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.stat-card-modern .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-card-modern .stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   Streak Card
   ========================================================================== */

.streak-card-large {
    background: linear-gradient(135deg, #4c1d95 0%, var(--secondary-color) 50%, #a855f7 100%);
    color: white;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-radius: 16px;
    padding: 1.5rem;
}

.streak-card-large .card-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.streak-card-large .streak-value {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    margin: 0.5rem 0;
}

.streak-card-large .streak-unit {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* ==========================================================================
   Empty State Card
   ========================================================================== */

.empty-card {
    text-align: center;
    padding: 3rem 1rem;
    color: #6b7280;
    background: white;
    border-radius: 16px;
}

.empty-card i {
    font-size: 3rem;
    opacity: 0.5;
    margin-bottom: 1rem;
}

.empty-card .empty-title {
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.empty-card .empty-text {
    color: #6b7280;
    font-size: 0.9rem;
}

/* ==========================================================================
   Tips Card
   ========================================================================== */

.tips-card {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-radius: 16px;
    border: 1px solid #bbf7d0;
    padding: 1.5rem;
}

.tips-card h5 {
    color: #166534;
    font-weight: 600;
    margin-bottom: 1rem;
}

.tips-card p,
.tips-card li {
    color: #15803d;
}

.tips-card ul {
    padding-left: 1.25rem;
}

.tips-card li {
    margin-bottom: 0.5rem;
}

.tips-card li strong {
    color: #166534;
}