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

:root {
    /* Soft & Elegant Color Palette */
    --primary-color: #8B9DC3; /* Soft periwinkle blue */
    --primary-light: #A8B5D1; /* Lighter periwinkle */
    --primary-dark: #6B7A99; /* Darker periwinkle */

    --secondary-color: #B8A9C9; /* Soft lavender */
    --secondary-light: #CFC2DD; /* Light lavender */

    --accent-color: #DDB7AB; /* Dusty pink accent */
    --accent-light: #E8C5BC; /* Light dusty pink */

    --success-color: #A8C19A; /* Soft sage green */
    --warning-color: #E6C79A; /* Warm cream */
    --danger-color: #D4A5A5; /* Soft coral */
    --info-color: #9BC4CB; /* Soft mint */
    /* Neutral tones */
    --light-color: #FAFBFC; /* Soft white */
    --light-secondary: #F5F7FA; /* Very light grey */
    --medium-light: #E8EDF3; /* Light grey */
    --medium-color: #B8C5D1; /* Medium grey */
    --dark-light: #6B7A8C; /* Dark grey */
    --dark-color: #404B5A; /* Charcoal */
    /* Background gradients */
    --bg-primary: linear-gradient(135deg, #FAFBFC 0%, #F0F4F8 100%);
    --bg-card: linear-gradient(145deg, #FFFFFF 0%, #F8FAFC 100%);
    --bg-hover: linear-gradient(145deg, #F1F5F9 0%, #E2E8F0 100%);
    /* Shadows */
    --shadow-soft: 0 4px 20px rgba(139, 157, 195, 0.08);
    --shadow-medium: 0 8px 32px rgba(139, 157, 195, 0.12);
    --shadow-strong: 0 12px 48px rgba(139, 157, 195, 0.16);
    --shadow-hover: 0 8px 40px rgba(139, 157, 195, 0.15);
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    /* Spacing - More Compact */
    --space-xs: 0.25rem; /* 4px */
    --space-sm: 0.5rem; /* 8px */
    --space-md: 0.75rem; /* 12px */
    --space-lg: 1rem; /* 16px */
    --space-xl: 1.25rem; /* 20px */
    --space-2xl: 1.5rem; /* 24px */
}

/* Base styles */
* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    position: relative;
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding-bottom: 60px; /* Reduced from 80px */
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 0.875rem; /* Base font size smaller */
    line-height: 1.4; /* Tighter line height */
    color: var(--dark-color);
    background: var(--bg-primary);
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography - Compact & High Density */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 600;
    line-height: 1.2;
    color: var(--dark-color);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 1.875rem;
    font-weight: 700;
}
/* 30px -> 30px but more compact */
h2 {
    font-size: 1.5rem;
}
/* 32px -> 24px */
h3 {
    font-size: 1.25rem;
}
/* 28px -> 20px */
h4 {
    font-size: 1.125rem;
}
/* 24px -> 18px */
h5 {
    font-size: 1rem;
}
/* 20px -> 16px */
h6 {
    font-size: 0.875rem;
}
/* 18px -> 14px */

p {
    margin-bottom: var(--space-sm);
    color: var(--dark-light);
    line-height: 1.4;
}

/* Layout - Higher Density */
.container {
    max-width: 1400px; /* Increased from 1200px */
    margin: 0 auto;
    padding: 0 var(--space-md); /* Reduced from space-lg */
}

/* Navigation - Compact */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--medium-light);
    box-shadow: var(--shadow-soft);
    padding: var(--space-sm) 0; /* Reduced from space-md */
    position: sticky;
    top: 0;
    z-index: 1030;
}

.navbar-brand {
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 1.25rem; /* Reduced from 1.5rem */
    color: var(--primary-color) !important;
    text-decoration: none;
}

.navbar-nav .nav-link {
    font-weight: 500;
    font-size: 0.875rem; /* Added smaller font */
    color: var(--dark-light) !important;
    padding: var(--space-xs) var(--space-sm) !important; /* More compact */
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    margin-right: var(--space-xs);
}

    .navbar-nav .nav-link:hover {
        color: var(--primary-color) !important;
        background-color: rgba(139, 157, 195, 0.1);
        transform: translateY(-1px);
    }

    .navbar-nav .nav-link.active {
        color: var(--primary-color) !important;
        background-color: rgba(139, 157, 195, 0.15);
    }

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--medium-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

    .card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: var(--primary-light);
    }

.card-header {
    background: linear-gradient(135deg, rgba(139, 157, 195, 0.05) 0%, rgba(184, 169, 201, 0.05) 100%);
    border-bottom: 1px solid var(--medium-light);
    padding: var(--space-lg) var(--space-xl); /* Reduced vertical padding */
    font-weight: 600;
    font-size: 0.95rem; /* Slightly smaller */
}

.card-body {
    padding: var(--space-xl) var(--space-xl); /* More compact */
}

.card-footer {
    background: rgba(248, 250, 252, 0.8);
    border-top: 1px solid var(--medium-light);
    padding: var(--space-md) var(--space-xl); /* More compact */
}

/* Buttons - More Compact */
.btn {
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: 0.875rem; /* Smaller font */
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem; /* More compact padding */
    border: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
}

.btn-sm {
    padding: 0.375rem 0.75rem; /* Extra compact for small buttons */
    font-size: 0.8rem;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(139, 157, 195, 0.3);
}

    .btn-primary:hover {
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(139, 157, 195, 0.4);
        color: white;
    }

.btn-secondary {
    background: linear-gradient(135deg, var(--medium-color) 0%, var(--medium-light) 100%);
    color: var(--dark-color);
}

    .btn-secondary:hover {
        background: linear-gradient(135deg, var(--dark-light) 0%, var(--medium-color) 100%);
        color: white;
        transform: translateY(-2px);
    }

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #F4D03F 100%);
    color: var(--dark-color);
}

    .btn-warning:hover {
        background: linear-gradient(135deg, #E6C79A 0%, var(--warning-color) 100%);
        transform: translateY(-2px);
        color: var(--dark-color);
    }

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #E8B4B4 100%);
    color: white;
}

    .btn-danger:hover {
        background: linear-gradient(135deg, #C89A9A 0%, var(--danger-color) 100%);
        transform: translateY(-2px);
        color: white;
    }

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

    .btn-outline-primary:hover {
        background: var(--primary-color);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(139, 157, 195, 0.25);
    }

/* Forms - Compact */
.form-label {
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 0.875rem; /* Smaller labels */
    color: var(--dark-color);
    margin-bottom: var(--space-xs); /* Less spacing */
    letter-spacing: 0.01em;
}

.form-control, .form-select {
    border: 2px solid var(--medium-light);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.875rem; /* More compact padding */
    font-size: 0.875rem; /* Smaller text */
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    line-height: 1.3; /* Tighter line height */
}

    .form-control:focus, .form-select:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 4px rgba(139, 157, 195, 0.1);
        outline: none;
        background-color: white;
    }

    .form-control::placeholder {
        color: var(--medium-color);
        font-style: italic;
    }

/* Tables */
.table {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

    .table th {
        background: linear-gradient(135deg, var(--light-secondary) 0%, rgba(139, 157, 195, 0.05) 100%);
        border: none;
        font-family: var(--font-secondary);
        font-weight: 600;
        font-size: 0.8rem; /* Smaller header text */
        color: var(--dark-color);
        padding: var(--space-md) var(--space-lg); /* More compact */
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .table td {
        border: none;
        padding: var(--space-md) var(--space-lg); /* More compact */
        vertical-align: middle;
        border-bottom: 1px solid var(--medium-light);
        font-size: 0.875rem; /* Smaller cell text */
    }

.table-hover tbody tr:hover {
    background: linear-gradient(135deg, rgba(139, 157, 195, 0.02) 0%, rgba(184, 169, 201, 0.02) 100%);
    transform: scale(1.005);
    transition: all 0.2s ease;
}

/* Avatars & Icons - Smaller */
.avatar {
    width: 36px; /* Reduced from 48px */
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem; /* Smaller text */
    color: white;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 3px 12px rgba(139, 157, 195, 0.2); /* Softer shadow */
    position: relative;
    overflow: hidden;
}

    .avatar::before {
        content: '';
        position: absolute;
        top: -2px;
        left: -2px;
        right: -2px;
        bottom: -2px;
        background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--accent-color));
        border-radius: 50%;
        z-index: -1;
    }

/* Badges - Compact */
.badge {
    font-family: var(--font-secondary);
    font-weight: 500;
    padding: 0.375rem 0.75rem; /* More compact */
    border-radius: var(--radius-md);
    font-size: 0.75rem; /* Smaller text */
    letter-spacing: 0.01em;
}

    .badge.bg-primary {
        background: linear-gradient(135deg, var(--primary-color), var(--primary-light)) !important;
    }

    .badge.bg-secondary {
        background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light)) !important;
        color: white !important;
    }

    .badge.bg-success {
        background: linear-gradient(135deg, var(--success-color), #B8D4AA) !important;
        color: white !important;
    }

/* Alerts - Compact */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg); /* More compact */
    border-left: 3px solid; /* Thinner border */
    backdrop-filter: blur(10px);
    font-size: 0.875rem; /* Smaller text */
}

.alert-success {
    background: linear-gradient(135deg, rgba(168, 193, 154, 0.1) 0%, rgba(168, 193, 154, 0.05) 100%);
    border-left-color: var(--success-color);
    color: #5A6B4F;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(212, 165, 165, 0.1) 0%, rgba(212, 165, 165, 0.05) 100%);
    border-left-color: var(--danger-color);
    color: #6B4F4F;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(230, 199, 154, 0.1) 0%, rgba(230, 199, 154, 0.05) 100%);
    border-left-color: var(--warning-color);
    color: #6B5F4F;
}

.alert-info {
    background: linear-gradient(135deg, rgba(155, 196, 203, 0.1) 0%, rgba(155, 196, 203, 0.05) 100%);
    border-left-color: var(--info-color);
    color: #4F5F6B;
}

/* Pagination - Compact */
.pagination .page-link {
    border: none;
    color: var(--dark-light);
    background: white;
    margin: 0 0.125rem; /* Tighter spacing */
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem; /* More compact */
    font-size: 0.875rem; /* Smaller text */
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

    .pagination .page-link:hover {
        background: var(--primary-color);
        color: white;
        transform: translateY(-2px);
        box-shadow: var(--shadow-medium);
    }

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: var(--shadow-medium);
}

/* Footer */
.footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: var(--space-xl) 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
    border-top: 1px solid var(--medium-light);
    backdrop-filter: blur(20px);
    color: var(--dark-light);
    text-align: center;
}

/* Loading states */
.spinner-border {
    width: 2rem;
    height: 2rem;
    border-width: 0.25em;
    border-color: var(--primary-color);
    border-right-color: transparent;
}

/* Responsive design - Higher Density */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-sm); /* Even more compact on mobile */
    }

    .card-body {
        padding: var(--space-lg); /* Compact mobile cards */
    }

    h1 {
        font-size: 1.5rem;
    }
    /* Smaller mobile headers */
    h2 {
        font-size: 1.25rem;
    }

    .btn {
        padding: 0.5rem 0.875rem; /* Compact mobile buttons */
        font-size: 0.8rem;
    }

    .table td, .table th {
        padding: var(--space-sm) var(--space-md); /* Very compact mobile table */
        font-size: 0.8rem;
    }
}

/* Smooth animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card, .alert {
    animation: fadeInUp 0.6s ease-out;
}

/* Focus indicators for accessibility */
.btn:focus, .form-control:focus, .form-select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-secondary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

    ::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    }