/**
 * LineUp Campus - Dahili Mesajlaşma (Posta Kutusu) Modern CSS
 * Banner, İstatistikler, Tablolar, Filtreler, Formlar ve Detay Sayfaları için Ortak Tasarım
 */

:root {
    --lnp-msg-primary: #4f46e5;
    --lnp-msg-primary-hover: #4338ca;
    --lnp-msg-primary-soft: #eef2ff;
    --lnp-msg-primary-border: #c7d2fe;
    
    --lnp-msg-success: #10b981;
    --lnp-msg-success-soft: #d1fae5;
    
    --lnp-msg-warning: #f59e0b;
    --lnp-msg-warning-soft: #fef3c7;
    
    --lnp-msg-danger: #ef4444;
    --lnp-msg-danger-soft: #fee2e2;
    
    --lnp-msg-info: #06b6d4;
    --lnp-msg-info-soft: #cffafe;
    
    --lnp-msg-card-bg: #ffffff;
    --lnp-msg-card-border: rgba(226, 232, 240, 0.8);
    --lnp-msg-text-main: #1e293b;
    --lnp-msg-text-muted: #64748b;
    --lnp-msg-radius: 16px;
    --lnp-msg-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
    --lnp-msg-shadow-hover: 0 10px 28px -4px rgba(15, 23, 42, 0.08);
}

/* LNP Ortak Banner İstatistik İkon Renkleri */
.lnp-banner-stat-ico.is-circle.tone-red {
    background: #ef4444;
}

.lnp-banner-stat-ico.is-circle.tone-pink {
    background: #ec4899;
}

.lnp-banner-stat-ico.is-circle.tone-violet {
    background: #4f46e5;
}

.lnp-banner-stat-ico.is-circle.tone-green {
    background: #10b981;
}

/* ==========================================================================
   1. HERO & BANNER
   ========================================================================== */
.lnp-msg-hero {
    background: linear-gradient(135deg, #1e1e2d 0%, #2a2b4a 100%);
    border-radius: var(--lnp-msg-radius);
    padding: 24px 28px;
    color: #ffffff;
    margin-bottom: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.lnp-msg-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, rgba(99, 102, 241, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.lnp-msg-hero-title {
    font-size: 1.55rem;
    font-weight: 800;
    margin-bottom: 6px;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.lnp-msg-hero-desc {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 780px;
    margin-bottom: 0;
    line-height: 1.55;
}

.lnp-msg-hero-badges {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.lnp-msg-hero-btn {
    background: #ffffff;
    color: var(--lnp-msg-primary);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 10px 22px;
    border-radius: 12px;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    transition: all 0.2s ease;
    text-decoration: none;
}

.lnp-msg-hero-btn:hover {
    background: #f8fafc;
    color: var(--lnp-msg-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
}

/* ==========================================================================
   2. STATS CARDS & BENTO GRID
   ========================================================================== */
.lnp-msg-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.lnp-msg-stat-card {
    background: var(--lnp-msg-card-bg);
    border-radius: var(--lnp-msg-radius);
    padding: 18px 20px;
    box-shadow: var(--lnp-msg-shadow);
    border: 1px solid var(--lnp-msg-card-border);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.25s ease;
}

.lnp-msg-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--lnp-msg-shadow-hover);
    border-color: rgba(99, 102, 241, 0.3);
}

.lnp-msg-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.lnp-msg-stat-icon.primary {
    background: var(--lnp-msg-primary-soft);
    color: var(--lnp-msg-primary);
}

.lnp-msg-stat-icon.danger {
    background: var(--lnp-msg-danger-soft);
    color: var(--lnp-msg-danger);
}

.lnp-msg-stat-icon.success {
    background: var(--lnp-msg-success-soft);
    color: var(--lnp-msg-success);
}

.lnp-msg-stat-icon.warning {
    background: var(--lnp-msg-warning-soft);
    color: var(--lnp-msg-warning);
}

.lnp-msg-stat-value {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--lnp-msg-text-main);
    line-height: 1.1;
    margin-bottom: 2px;
}

.lnp-msg-stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--lnp-msg-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ==========================================================================
   3. TABS & FILTERBAR
   ========================================================================== */
.lnp-msg-tabs {
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: none;
}

.lnp-msg-tabs .nav-link {
    font-weight: 600;
    color: var(--lnp-msg-text-muted);
    padding: 10px 18px;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f8fafc;
}

.lnp-msg-tabs .nav-link:hover {
    color: var(--lnp-msg-text-main);
    background: #f1f5f9;
}

.lnp-msg-tabs .nav-link.active {
    background-color: var(--lnp-msg-primary) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.lnp-msg-tab-badge {
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.08);
}

.lnp-msg-tabs .nav-link.active .lnp-msg-tab-badge {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

/* ==========================================================================
   4. TABLES & LIST VIEW
   ========================================================================== */
.lnp-msg-table-card {
    background: var(--lnp-msg-card-bg);
    border: 1px solid var(--lnp-msg-card-border);
    border-radius: var(--lnp-msg-radius);
    padding: 24px;
    box-shadow: var(--lnp-msg-shadow);
}

.lnp-msg-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.lnp-msg-table thead th {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--lnp-msg-text-muted);
    padding: 14px 16px;
    border-bottom: 1px solid var(--lnp-msg-card-border);
    background: transparent;
}

.lnp-msg-table tbody td {
    padding: 16px;
    font-size: 0.9rem;
    color: var(--lnp-msg-text-main);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    vertical-align: middle;
    transition: background-color 0.15s ease;
}

.lnp-msg-table tbody tr:hover td {
    background-color: #f8fafc;
}

.lnp-msg-row-unread td {
    background-color: rgba(99, 102, 241, 0.03) !important;
    font-weight: 600;
}

.lnp-msg-row-unread td:first-child {
    border-left: 3px solid var(--lnp-msg-primary);
}

.lnp-msg-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    background: #e2e8f0;
    flex-shrink: 0;
}

.lnp-msg-avatar-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--lnp-msg-primary-soft);
    color: var(--lnp-msg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    flex-shrink: 0;
}

.lnp-msg-avatar-placeholder.green {
    background: var(--lnp-msg-success-soft);
    color: var(--lnp-msg-success);
}

.lnp-msg-user-name {
    font-weight: 700;
    color: var(--lnp-msg-text-main);
    display: block;
    line-height: 1.3;
}

.lnp-msg-subject-title {
    font-weight: 700;
    color: var(--lnp-msg-text-main);
    display: block;
    margin-bottom: 2px;
    text-decoration: none;
}

.lnp-msg-subject-title:hover {
    color: var(--lnp-msg-primary);
}

.lnp-msg-snippet {
    font-size: 0.82rem;
    color: var(--lnp-msg-text-muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lnp-role-badge {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 6px;
    font-weight: 600;
}

/* ==========================================================================
   5. DETAIL VIEW (/mesaj/{id})
   ========================================================================== */
.lnp-msg-detail-card {
    background: var(--lnp-msg-card-bg);
    border-radius: var(--lnp-msg-radius);
    box-shadow: var(--lnp-msg-shadow);
    border: 1px solid var(--lnp-msg-card-border);
    overflow: hidden;
}

.lnp-msg-detail-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid #e2e8f0;
    padding: 24px 32px;
}

.lnp-msg-detail-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--lnp-msg-text-main);
    margin: 0;
    line-height: 1.3;
}

.lnp-msg-user-chip {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    padding: 12px 16px;
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.lnp-msg-detail-body {
    padding: 32px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--lnp-msg-text-main);
    min-height: 220px;
    background: #ffffff;
}

.lnp-msg-detail-footer {
    padding: 20px 32px;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

/* ==========================================================================
   6. FORM & GUIDE CARDS (/mesaj-gonder)
   ========================================================================== */
.lnp-msg-form-card {
    background: var(--lnp-msg-card-bg);
    border-radius: var(--lnp-msg-radius);
    padding: 32px;
    box-shadow: var(--lnp-msg-shadow);
    border: 1px solid var(--lnp-msg-card-border);
}

.lnp-msg-guide-card {
    background: #f8fafc;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.lnp-msg-chat-promo {
    background: #eef2ff;
    border-radius: 14px;
    border: 1px solid #c7d2fe;
    padding: 20px;
}

/* ==========================================================================
   7. RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 991.98px) {
    .lnp-msg-hero {
        padding: 20px;
    }
    
    .lnp-msg-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .lnp-msg-detail-header,
    .lnp-msg-detail-body,
    .lnp-msg-detail-footer,
    .lnp-msg-form-card {
        padding: 20px;
    }
}

@media (max-width: 575.98px) {
    .lnp-msg-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .lnp-msg-hero-title {
        font-size: 1.3rem;
    }
    
    .lnp-msg-tabs {
        width: 100%;
    }
    
    .lnp-msg-tabs .nav-link {
        flex: 1;
        justify-content: center;
    }
}