/* ============================================
   ADAMS Modern Theme - Blue Color Palette
   Primary: #243c71 (Deep Blue)
   Secondary: #3498db (Bright Blue)
   Accent: #5dade2 (Light Blue)
   ============================================ */

:root {
    --primary-blue: #243c71;
    --secondary-blue: #3498db;
    --accent-blue: #5dade2;
    --light-blue: #ebf5fb;
    --dark-blue: #1a2d5a;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-color: #e0e6ed;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   MODERN TYPOGRAPHY
   ============================================ */

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-gray);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    /* Ensure header is always visible on mobile */
    #header {
        position: sticky !important;
        top: 0 !important;
        z-index: 1000 !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        background: var(--white) !important;
        box-shadow: var(--shadow-md) !important;
    }
    
    body {
        padding-top: 0 !important;
    }
}

/* ============================================
   MODERN HEADER & NAVIGATION
   ============================================ */

#header {
    background: var(--white) !important;
    box-shadow: var(--shadow-md) !important;
    padding: 1rem 0;
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
    transition: var(--transition);
    width: 100% !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    min-height: auto !important;
}

#header.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
}

.logo img {
    max-height: 60px;
    transition: var(--transition);
}

#header.scrolled .logo img {
    max-height: 50px;
}

/* Modern Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    padding: 0;
    box-shadow: var(--shadow-md);
}

.navbar ul {
    margin: 0;
    padding: 0;
    display: flex;
    list-style: none;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.navbar li {
    position: relative;
    padding: 0;
}

.navbar a,
.navbar a:focus {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--white);
    white-space: nowrap;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
}

.navbar a:hover,
.navbar .active,
.navbar li:hover > a {
    color: var(--accent-blue);
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--accent-blue);
    transition: var(--transition);
    transform: translateX(-50%);
}

.navbar a:hover::after,
.navbar .active::after {
    width: 80%;
}

/* Mobile Navigation */
.mobile-nav-toggle {
    color: var(--white);
    font-size: 28px;
    cursor: pointer;
    display: none;
    line-height: 0;
    transition: var(--transition);
    padding: 1rem;
}

@media (max-width: 991px) {
    /* Ensure header is always visible on mobile */
    #header {
        position: sticky !important;
        top: 0 !important;
        z-index: 1000 !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        padding: 0.75rem 0 !important;
    }

    #header .container {
        padding-left: 15px;
        padding-right: 15px;
    }

    #header .logo img {
        max-height: 50px !important;
    }

    .mobile-nav-toggle {
        display: block;
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 1001;
    }

    .navbar {
        position: relative;
        z-index: 999;
    }

    .navbar ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-blue);
        flex-direction: column;
        align-items: stretch;
        box-shadow: var(--shadow-lg);
        z-index: 998;
    }

    .navbar ul.mobile-nav-active {
        display: flex;
    }

    .navbar li {
        width: 100%;
    }

    .navbar a {
        padding: 1rem 1.5rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
}

/* ============================================
   MODERN CARDS & CONTAINERS
   ============================================ */

.modern-card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.modern-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.modern-card-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 1.5rem 2rem;
    border-radius: 12px 12px 0 0;
    margin: -2rem -2rem 2rem -2rem;
}

.modern-card-header h3,
.modern-card-header h4,
.modern-card-header h5 {
    color: var(--white);
    margin: 0;
}

/* ============================================
   MODERN BUTTONS
   ============================================ */

.btn-modern {
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary-modern {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
}

.btn-primary-modern:hover {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    color: var(--white);
}

.btn-secondary-modern {
    background: var(--accent-blue);
    color: var(--white);
}

.btn-success-modern {
    background: var(--success);
    color: var(--white);
}

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

.btn-outline-modern:hover {
    background: var(--primary-blue);
    color: var(--white);
}

/* ============================================
   MODERN HERO SECTION
   ============================================ */

.modern-hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.modern-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)" /></svg>');
    opacity: 0.1;
}

.modern-hero .container {
    position: relative;
    z-index: 1;
}

.modern-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.modern-hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

@media (max-width: 768px) {
    .modern-hero {
        padding: 4rem 0;
    }

    .modern-hero h1 {
        font-size: 2rem;
    }

    .modern-hero p {
        font-size: 1rem;
    }
}

/* ============================================
   MODERN STATS/BADGES
   ============================================ */

.stat-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--primary-blue);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.stat-card .icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    opacity: 0.8;
}

.stat-card .number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-card .label {
    font-size: 1rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* ============================================
   MODERN FORMS
   ============================================ */

.form-control-modern {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-control-modern:focus {
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    outline: none;
}

.form-label-modern {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    display: block;
}

/* ============================================
   MODERN TABLES
   ============================================ */

.modern-table {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.modern-table table {
    width: 100%;
    margin: 0;
}

.modern-table thead {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
}

.modern-table thead th {
    padding: 1rem;
    font-weight: 600;
    text-align: left;
    border: none;
}

.modern-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.modern-table tbody tr:hover {
    background-color: var(--light-blue);
}

.modern-table tbody td {
    padding: 1rem;
    border: none;
}

/* ============================================
   BADGES & STATUS
   ============================================ */

.badge-modern {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-success-modern {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.badge-warning-modern {
    background: rgba(243, 156, 18, 0.1);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.badge-danger-modern {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.badge-primary-modern {
    background: rgba(36, 60, 113, 0.1);
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
}

/* ============================================
   MODERN FOOTER
   ============================================ */

#footer {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

#footer h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

#footer a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    text-decoration: none;
}

#footer a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    margin-top: 3rem;
    text-align: center;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.gradient-bg {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
}

.text-primary-blue {
    color: var(--primary-blue);
}

.text-secondary-blue {
    color: var(--secondary-blue);
}

.bg-light-blue {
    background-color: var(--light-blue);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    border-radius: 2px;
}

.section-padding {
    padding: 5rem 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 3rem 0;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ============================================
   RESPONSIVE IMAGES
   ============================================ */

img {
    max-width: 100%;
    height: auto;
}

.img-modern {
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

/* ============================================
   LOADING STATES
   ============================================ */

.skeleton {
    background: linear-gradient(90deg, var(--light-gray) 25%, #f0f0f0 50%, var(--light-gray) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

*:focus-visible {
    outline: 3px solid var(--secondary-blue);
    outline-offset: 2px;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .modern-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}