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

:root {
    --font-primary: 'Outfit', sans-serif;
    --bg-app: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --bg-card: rgba(255, 255, 255, 0.65);
    --bg-card-hover: rgba(255, 255, 255, 0.85);
    --bg-input: rgba(255, 255, 255, 0.9);
    --border-glass: rgba(0, 0, 0, 0.08);
    --border-focus: rgba(124, 58, 237, 0.4); /* Violet glow */
    --text-main: #1e293b; /* Slate 800 */
    --text-muted: #64748b; /* Slate 500 */
    --accent-violet: #6d28d9; /* Violet 700 */
    --accent-pink: #db2777;
    --accent-blue: #1d4ed8;
    --accent-cyan: #0369a1;
    --accent-green: #059669; /* Emerald 600 */
    --accent-red: #dc2626; /* Red 600 */
    --accent-amber: #d97706; /* Amber 600 */
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.06);
    --shadow-glow: 0 0 15px rgba(124, 58, 237, 0.15);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
    font-family: var(--font-primary);
    background: var(--bg-app) !important;
    color: var(--text-main) !important;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
}

/* Base Link styles */
a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition-smooth);
}
a:hover {
    color: var(--accent-blue);
    text-shadow: 0 0 8px rgba(3, 105, 161, 0.2);
}

/* Sidebar Override for light layout integration */
.sidebar {
    background: rgba(241, 245, 249, 0.9) !important; /* Slate 100 */
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-glass);
}
.sidebar .navbar-brand {
    color: var(--text-main) !important;
    font-weight: 700;
}
.sidebar .nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
}
.sidebar .nav-link:hover, .sidebar .nav-link.active {
    color: var(--accent-violet) !important;
    background: rgba(109, 40, 217, 0.08) !important;
}

.top-row {
    background-color: rgba(248, 250, 252, 0.6) !important;
    border-bottom: 1px solid var(--border-glass) !important;
    backdrop-filter: blur(5px);
}
.top-row a {
    color: var(--text-muted) !important;
}
.top-row a:hover {
    color: var(--text-main) !important;
}

/* Glassmorphic Container */
.glass-container {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    box-shadow: var(--shadow-glass);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: var(--transition-smooth);
}
.glass-container:hover {
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.1);
}

/* Dashboard Summary Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-glass);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}
.stat-card.approved::before { background-color: var(--accent-green); }
.stat-card.reject::before { background-color: var(--accent-red); }
.stat-card.inreview::before { background-color: var(--accent-amber); }
.stat-card.total::before { background-color: var(--accent-violet); }

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 0, 0, 0.15);
    background-color: var(--bg-card-hover);
}
.stat-val {
    font-size: 2.25rem;
    font-weight: 700;
    margin-top: 0.5rem;
    line-height: 1;
}

/* Forms and Inputs styling */
.glass-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.form-label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.form-control, .form-select {
    background-color: var(--bg-input) !important;
    border: 1px solid var(--border-glass) !important;
    color: var(--text-main) !important;
    border-radius: 8px !important;
    padding: 0.75rem 1rem !important;
    transition: var(--transition-smooth) !important;
}
.form-control:focus, .form-select:focus {
    outline: none !important;
    border-color: var(--accent-violet) !important;
    box-shadow: var(--shadow-glow) !important;
    background-color: #fff !important;
}
.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.5;
}

/* Status Badges */
.badge-status {
    padding: 0.35em 0.85em;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.badge-status.approved {
    background-color: rgba(5, 150, 105, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(5, 150, 105, 0.25);
}
.badge-status.reject {
    background-color: rgba(220, 38, 38, 0.1);
    color: var(--accent-red);
    border: 1px solid rgba(220, 38, 38, 0.25);
}
.badge-status.inreview {
    background-color: rgba(217, 119, 6, 0.1);
    color: var(--accent-amber);
    border: 1px solid rgba(217, 119, 6, 0.25);
}

/* Table Styling */
.table-responsive {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
}
.glass-table {
    width: 100%;
    border-collapse: collapse;
    background: transparent;
    color: var(--text-main);
    font-size: 0.95rem;
}
.glass-table th {
    background: rgba(241, 245, 249, 0.9); /* Slate 100 */
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-glass);
}
.glass-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition-smooth);
}
.glass-table tbody tr {
    transition: var(--transition-smooth);
}
.glass-table tbody tr:hover {
    background: rgba(109, 40, 217, 0.02); /* Soft violet tint on hover */
}

/* Direct Inline Editor Inputs inside table cells */
.inline-input {
    background: rgba(255, 255, 255, 0.6) !important;
    border: 1px solid var(--border-glass) !important;
    color: var(--text-main) !important;
    border-radius: 6px !important;
    padding: 0.4rem 0.6rem !important;
    font-size: 0.9rem !important;
    width: 100% !important;
    min-width: 100px;
    transition: var(--transition-smooth) !important;
}
.inline-input:hover {
    border-color: rgba(0, 0, 0, 0.15) !important;
    background: #fff !important;
}
.inline-input:focus {
    border-color: var(--accent-violet) !important;
    background: #fff !important;
    box-shadow: var(--shadow-glow) !important;
    outline: none;
}

.inline-select {
    background-color: rgba(255, 255, 255, 0.6) !important;
    border: 1px solid var(--border-glass) !important;
    color: var(--text-main) !important;
    border-radius: 6px !important;
    padding: 0.35rem 1.5rem 0.35rem 0.6rem !important;
    font-size: 0.85rem !important;
    font-weight: 500 !important;
    width: auto !important;
    cursor: pointer;
    transition: var(--transition-smooth) !important;
}
.inline-select:hover {
    border-color: rgba(0, 0, 0, 0.15) !important;
    background-color: #fff !important;
}
.inline-select:focus {
    border-color: var(--accent-violet) !important;
    box-shadow: var(--shadow-glow) !important;
    outline: none;
}

/* Custom button classes */
.btn-glass {
    background: linear-gradient(135deg, var(--accent-violet) 0%, #5b21b6 100%);
    border: none;
    color: #fff;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(109, 40, 217, 0.2);
    cursor: pointer;
}
.btn-glass:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(109, 40, 217, 0.35);
    background: linear-gradient(135deg, #7c3aed 0%, #4c1d95 100%);
}
.btn-glass:active {
    transform: translateY(1px);
}

.btn-glass-secondary {
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    cursor: pointer;
}
.btn-glass-secondary:hover {
    background: rgba(0, 0, 0, 0.06);
    border-color: rgba(0, 0, 0, 0.15);
}

.btn-icon-danger {
    background: transparent;
    border: none;
    color: var(--accent-red);
    opacity: 0.7;
    padding: 0.4rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.btn-icon-danger:hover {
    opacity: 1;
    background: rgba(220, 38, 38, 0.1);
    color: #b91c1c;
}

/* Form validation styles overriding Bootstrap */
.invalid-feedback {
    color: var(--accent-red);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}
.validation-message {
    color: var(--accent-red);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}
.invalid {
    border-color: rgba(220, 38, 38, 0.5) !important;
}

/* Floating Toast Notification system */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}
.toast-notify {
    pointer-events: auto;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(0,0,0,0.06);
    border-left: 4px solid var(--accent-violet);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    min-width: 280px;
    max-width: 400px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transition: var(--transition-smooth);
}
.toast-notify.success {
    border-left-color: var(--accent-green);
}
.toast-notify.error {
    border-left-color: var(--accent-red);
}
.toast-notify.info {
    border-left-color: var(--accent-blue);
}
.toast-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.toast-msg {
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 500;
}
.toast-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    margin-left: 1rem;
    transition: var(--transition-smooth);
}
.toast-close:hover {
    color: var(--text-main);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Form transition/collapse styling */
.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
}
.collapsible-content.show {
    max-height: 2000px;
    transition: max-height 0.4s cubic-bezier(0.85, 0, 0.15, 1);
}

/* Custom Header Gradients */
.text-gradient {
    background: linear-gradient(135deg, #1e1b4b 0%, #4338ca 100%); /* Deep indigo gradient */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.btn-chevron {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.2rem;
    transition: var(--transition-smooth);
    cursor: pointer;
}
.btn-chevron:hover {
    color: var(--accent-violet);
}
.text-violet {
    color: var(--accent-violet) !important;
}
.border-violet {
    border-color: rgba(109, 40, 217, 0.2) !important;
}
.cursor-pointer {
    cursor: pointer;
}
.fs-12 {
    font-size: 0.75rem !important;
}

.btn-icon-success {
    background: transparent;
    border: none;
    color: var(--accent-green);
    opacity: 0.8;
    padding: 0.4rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.btn-icon-success:hover {
    opacity: 1;
    background: rgba(5, 150, 105, 0.1);
    color: #047857;
}

.btn-icon-secondary {
    background: transparent;
    border: none;
    color: var(--text-muted);
    opacity: 0.8;
    padding: 0.4rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.btn-icon-secondary:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-main);
}

/* Mobile Responsive Optimizations */
@media (max-width: 768px) {
    .glass-container {
        padding: 1.25rem;
        margin-bottom: 1.25rem;
    }
    
    h1.text-gradient {
        font-size: 2rem !important;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important; /* 2x2 grid on mobile instead of stacked 1x4 */
        gap: 1rem !important;
    }
    .stat-card {
        padding: 1rem !important;
    }
    .stat-val {
        font-size: 1.75rem !important;
    }

    /* Convert Table into Cards on Mobile */
    .glass-table, .glass-table thead, .glass-table tbody, .glass-table th, .glass-table td, .glass-table tr {
        display: block !important;
    }
    
    .glass-table thead {
        display: none !important; /* Hide desktop headers */
    }
    
    .glass-table tbody tr {
        background: rgba(255, 255, 255, 0.5) !important;
        border: 1px solid var(--border-glass) !important;
        border-radius: 12px !important;
        margin-bottom: 1.25rem !important;
        padding: 0.75rem 1rem !important;
        box-shadow: 0 4px 15px rgba(0,0,0,0.02) !important;
    }
    
    .glass-table td {
        border-bottom: none !important;
        padding: 0.6rem 0 !important;
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        text-align: right !important;
        width: 100% !important;
    }
    
    /* Left column header label using data-label attribute */
    .glass-table td::before {
        content: attr(data-label) !important;
        font-weight: 600 !important;
        color: var(--text-muted) !important;
        text-align: left !important;
        font-size: 0.85rem !important;
        padding-right: 1rem !important;
    }
    
    /* Force inputs/selectors inside cards to look premium on mobile */
    .glass-table td select, 
    .glass-table td input,
    .glass-table td .inline-input,
    .glass-table td .inline-select {
        text-align-last: right !important;
        width: 60% !important;
        max-width: 220px !important;
    }
    
    /* Keep text-wrap correctly aligned to the right */
    .glass-table td .fw-bold, 
    .glass-table td .text-wrap,
    .glass-table td a,
    .glass-table td div {
        max-width: 60% !important;
        white-space: normal !important;
        text-align: right !important;
        word-break: break-word !important;
    }
    
    /* Actions column centering */
    .glass-table td[data-label="Actions"] {
        justify-content: flex-end !important;
    }

    /* Abstract expansion panel inside stacked row cards */
    .glass-table tr.expanded-row-abstract {
        display: block !important;
        background: transparent !important;
        border: none !important;
        padding: 0 !important;
        margin-top: -0.75rem !important;
        margin-bottom: 1.25rem !important;
        box-shadow: none !important;
    }
    .glass-table tr.expanded-row-abstract td {
        display: block !important;
        width: 100% !important;
        padding: 0 !important;
        text-align: left !important;
        box-shadow: none !important;
    }
    .glass-table tr.expanded-row-abstract td::before {
        display: none !important;
    }
    .glass-table tr.expanded-row-abstract td div {
        max-width: 100% !important;
        text-align: left !important;
    }
    .glass-table tr.expanded-row-abstract .glass-container {
        border-radius: 12px !important;
        padding: 1rem !important;
    }
    
    /* Form input labels alignment */
    .form-group {
        gap: 0.25rem !important;
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr !important; /* Single column on very small screens */
    }
    
    /* Toasts occupy full width at bottom */
    .toast-container {
        bottom: 1rem !important;
        right: 1rem !important;
        left: 1rem !important;
        width: auto !important;
    }
    .toast-notify {
        min-width: 100% !important;
        padding: 0.75rem 1rem !important;
    }
    
    /* Toggler styling to fit header */
    .navbar-toggler {
        top: 0.5rem !important;
    }
}

/* Light Theme Hamburger Menu Toggler path visibility */
.navbar-toggler {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2830, 41, 59, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
}