/* ==========================================
   FILE: css/components/documents-dashboard.css
   ✅ PRODUCTION-READY - Professional University Theme
   ========================================== */

/* ===== University Color System ===== */
:root {
    --doc-primary: #1e3a8a;
    --doc-primary-light: #3b82f6;
    --doc-success: #059669;
    --doc-info: #0284c7;
    --doc-warning: #f59e0b;
    --doc-danger: #dc2626;
    --doc-text-primary: #1f2937;
    --doc-text-secondary: #6b7280;
    --doc-bg-light: #f9fafb;
    --doc-border: #e5e7eb;
    --doc-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --doc-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --doc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --doc-radius: 0.5rem;
    --doc-transition: all 0.2s ease-in-out;
}

/* ===== Documents Dashboard Container ===== */
#documents-dashboard-container {
    padding: 0;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Enhanced Card Styling ===== */
#documents-dashboard-container .card {
    border: none;
    border-radius: var(--doc-radius);
    transition: var(--doc-transition);
    overflow: hidden;
}

#documents-dashboard-container .card:hover {
    transform: translateY(-2px);
    box-shadow: var(--doc-shadow-lg) !important;
}

#documents-dashboard-container .card-body {
    padding: 1.5rem;
}

#documents-dashboard-container .card-header {
    border-bottom: 1px solid var(--doc-border);
    font-weight: 600;
}

/* ===== Stats Cards ===== */
#documents-dashboard-container .border-start {
    border-left-width: 4px !important;
}

#documents-dashboard-container .border-primary {
    border-left-color: var(--doc-primary) !important;
}

#documents-dashboard-container .border-success {
    border-left-color: var(--doc-success) !important;
}

#documents-dashboard-container .border-info {
    border-left-color: var(--doc-info) !important;
}

#documents-dashboard-container .border-warning {
    border-left-color: var(--doc-warning) !important;
}

/* ===== Icon Backgrounds ===== */
#documents-dashboard-container .bg-primary.bg-opacity-10 {
    background-color: rgba(30, 58, 138, 0.1) !important;
}

#documents-dashboard-container .bg-success.bg-opacity-10 {
    background-color: rgba(5, 150, 105, 0.1) !important;
}

#documents-dashboard-container .bg-info.bg-opacity-10 {
    background-color: rgba(2, 132, 199, 0.1) !important;
}

#documents-dashboard-container .bg-warning.bg-opacity-10 {
    background-color: rgba(245, 158, 11, 0.1) !important;
}

/* ===== Buttons ===== */
#documents-dashboard-container .btn {
    border-radius: var(--doc-radius);
    font-weight: 600;
    transition: var(--doc-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

#documents-dashboard-container .btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--doc-shadow-md);
}

#documents-dashboard-container .btn:active {
    transform: translateY(0);
}

#documents-dashboard-container .btn-primary {
    background-color: var(--doc-primary);
    border-color: var(--doc-primary);
}

#documents-dashboard-container .btn-primary:hover {
    background-color: var(--doc-primary-light);
    border-color: var(--doc-primary-light);
}

#documents-dashboard-container .btn-success {
    background-color: var(--doc-success);
    border-color: var(--doc-success);
}

#documents-dashboard-container .btn-success:hover {
    background-color: #047857;
    border-color: #047857;
}

/* ===== Badges ===== */
#documents-dashboard-container .badge {
    border-radius: 0.375rem;
    font-weight: 600;
    padding: 0.35rem 0.65rem;
}

#documents-dashboard-container .badge.bg-light {
    border: 1px solid var(--doc-border);
}

/* ===== Recent Activity List ===== */
#documents-dashboard-container .list-group-item {
    border: none;
    border-bottom: 1px solid var(--doc-border);
    padding: 1rem 0;
    transition: var(--doc-transition);
}

#documents-dashboard-container .list-group-item:hover {
    background-color: var(--doc-bg-light);
    padding-left: 0.5rem;
}

#documents-dashboard-container .list-group-item:last-child {
    border-bottom: none;
}

/* ===== Loading Placeholders ===== */
#documents-dashboard-container .placeholder {
    background-color: var(--doc-border);
    border-radius: 0.25rem;
}

#documents-dashboard-container .placeholder-glow .placeholder {
    animation: placeholder-glow 2s ease-in-out infinite;
}

@keyframes placeholder-glow {
    50% {
        opacity: 0.5;
    }
}

/* ===== Quick Stats Grid ===== */
#documents-dashboard-container .row.text-center .border {
    border-color: var(--doc-border) !important;
    border-radius: var(--doc-radius);
    transition: var(--doc-transition);
}

#documents-dashboard-container .row.text-center .border:hover {
    background-color: var(--doc-bg-light);
    box-shadow: var(--doc-shadow-sm);
}

/* ===== Responsive Design ===== */

/* Tablet (768px and up) */
@media (min-width: 768px) {
    #documents-dashboard-container .card-body {
        padding: 2rem;
    }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
    #documents-dashboard-container {
        padding: 0;
    }
}

/* Mobile (< 640px) */
@media (max-width: 639px) {
    #documents-dashboard-container .d-flex.gap-3 {
        flex-direction: column;
        gap: 1rem !important;
    }
    
    #documents-dashboard-container .btn.w-100 {
        font-size: 0.875rem;
        padding: 0.75rem;
    }
    
    #documents-dashboard-container h1.h3 {
        font-size: 1.5rem;
    }
    
    #documents-dashboard-container .card-body {
        padding: 1rem;
    }
    
    #documents-dashboard-container .row.text-center .col-4 {
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }
    
    #documents-dashboard-container .row.text-center .h4 {
        font-size: 1.25rem;
    }
}

/* ===== Print Styles ===== */
@media print {
    #documents-dashboard-container .btn,
    #documents-dashboard-container .card:hover {
        box-shadow: none !important;
        transform: none !important;
    }
}

/* ===== Accessibility ===== */
#documents-dashboard-container .btn:focus,
#documents-dashboard-container .card:focus {
    outline: 2px solid var(--doc-primary);
    outline-offset: 2px;
}

/* ===== Dark Mode Support (Optional) ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --doc-text-primary: #f3f4f6;
        --doc-text-secondary: #d1d5db;
        --doc-bg-light: #1f2937;
        --doc-border: #374151;
    }
    
    #documents-dashboard-container .card {
        background-color: #111827;
        color: var(--doc-text-primary);
    }
    
    #documents-dashboard-container .text-muted {
        color: var(--doc-text-secondary) !important;
    }
}