/* =================================================================== */
/*  1. ROOT VARIABLES & GLOBAL STYLES - MODERN COLORFUL THEME
/* =================================================================== */
:root {
    /* Primary Brand Colors */
    --primary-color: #667eea;
    --primary-hover: #5a6fd8;
    --primary-light: #f0f2ff;
    --secondary-color: #764ba2;
    --secondary-hover: #6a4190;
    
    /* Accent Colors */
    --accent-purple: #9f7aea;
    --accent-blue: #4299e1;
    --accent-green: #48bb78;
    --accent-orange: #ed8936;
    --accent-pink: #ed64a6;
    
    /* Gradient Backgrounds */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-card: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    
    /* Background Colors */
    --bg-color: #f7fafc;
    --form-bg-color: #ffffff;
    --card-bg: #ffffff;
    --section-bg: linear-gradient(135deg, #ffeef8 0%, #f0f4ff 100%);
    
    /* Text Colors */
    --font-color: #2d3748;
    --font-light: #718096;
    --font-dark: #1a202c;
    --text-white: #ffffff;
    
    /* Border & Shadow */
    --border-color: #e2e8f0;
    --border-focus: #667eea;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-colored: 0 4px 14px 0 rgba(102, 126, 234, 0.25);
    
    /* Status Colors */
    --error-color: #f56565;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --info-color: #4299e1;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-color);
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    color: var(--font-color);   
    margin: 0;
    padding: 2rem;
    line-height: 1.6;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* =================================================================== */
/*  2. MODERN LAYOUT CONTAINERS
/* =================================================================== */
.container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-large);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.admin-container {
    max-width: 1300px;
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-large);
    background: var(--card-bg);
}

.login-container {
    max-width: 450px;
    margin: 100px auto 0;
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* =================================================================== */
/*  3. MODERN HEADERS & TEXT
/* =================================================================== */
header {
    text-align: center;
    margin-bottom: 3rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 2rem;
    position: relative;
}

header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

header h1, header h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

header h2 {
    font-size: 1.8rem;
    opacity: 0.9;
}

/* =================================================================== */
/*  4. MODERN FORM STYLES
/* =================================================================== */
form fieldset {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    background: var(--section-bg);
    position: relative;
    transition: all 0.3s ease;
}

form fieldset:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-colored);
}

form legend {
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 0 1rem;
    position: relative;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--font-dark);
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group input[type="file"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 400;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15), var(--shadow-medium);
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 1);
}

.form-group input[type="radio"],
.form-group input[type="checkbox"] {
    margin-right: 0.75rem;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.form-group input[readonly] {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    color: var(--font-light);
}

#wordCount {
    text-align: right;
    font-size: 0.85rem;
    color: var(--font-light);
    font-weight: 500;
    margin-top: 0.5rem;
}

/* =================================================================== */
/*  5. MODERN BUTTONS, TABS & LINKS
/* =================================================================== */
.submit-btn, .apply-now-btn, .export-btn {
    display: block;
    width: 100%;
    padding: 1.125rem 2rem;
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-colored);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
}

.submit-btn:hover, .apply-now-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.35);
}

.submit-btn:active, .apply-now-btn:active {
    transform: translateY(0);
}

.export-btn {
    background: var(--gradient-success);
    padding: 12px 24px;
    width: auto;
    display: inline-block;
    font-size: 1rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 14px rgba(79, 172, 254, 0.25);
}

.export-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.35);
}

.tab-nav {
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 2rem;
    display: flex;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    overflow: hidden;
}

.tab-nav button {
    background: none;
    border: none;
    padding: 18px 24px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 500;
    flex-grow: 1;
    transition: all 0.3s ease;
    color: var(--font-light);
    position: relative;
}

.tab-nav button:hover {
    background: rgba(102, 126, 234, 0.05);
    color: var(--primary-color);
}

.tab-nav button.active {
    background: var(--gradient-primary);
    color: var(--text-white);
    font-weight: 700;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.action-link {
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    color: white;
    font-size: 0.9rem;
    margin: 3px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.action-link:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.action-link.view {
    background: var(--gradient-primary);
}

.action-link.edit {
    background: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
    color: white;
}

.logout-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    margin-left: 20px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.logout-link:hover {
    background: var(--primary-light);
    text-decoration: none;
}

/* =================================================================== */
/*  6. MODERN TABLES (Admin & Dashboard)
/* =================================================================== */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 2rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    background: white;
}

th, td {
    padding: 16px 20px;
    text-align: left;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--gradient-primary);
    color: var(--text-white);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    position: relative;
}

td {
    font-weight: 500;
    color: var(--font-color);
    background: rgba(255, 255, 255, 0.8);
}

tr:nth-child(even) td {
    background: rgba(247, 250, 252, 0.8);
}

tr:hover td {
    background: var(--primary-light);
    transform: scale(1.01);
    transition: all 0.3s ease;
}

.dashboard-table th {
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e0 100%);
    color: var(--font-dark);
}

.dashboard-table tr:hover td {
    background: rgba(102, 126, 234, 0.1);
    box-shadow: inset 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* =================================================================== */
/*  7. MODERN DASHBOARD & VIEW DETAILS STYLES
/* =================================================================== */
.application-section {
    background: var(--section-bg);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
}

.application-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
    border-color: rgba(102, 126, 234, 0.3);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-header h2 {
    margin: 0;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.details-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.5rem 2rem;
    margin-top: 2rem;
    line-height: 1.7;
}

.details-grid strong {
    font-weight: 700;
    color: var(--font-dark);
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.details-grid > div {
    padding: 16px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.details-grid > div:nth-child(4n-1),
.details-grid > div:nth-child(4n) {
    background: rgba(247, 250, 252, 0.8);
    backdrop-filter: blur(5px);
}

.details-grid > div:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-light);
    background: rgba(255, 255, 255, 0.9);
}

.grid-span-2 {
    grid-column: 1 / -1;
    background: var(--gradient-primary) !important;
    color: var(--text-white);
    padding: 18px 24px !important;
    font-size: 1.3rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
    box-shadow: var(--shadow-colored);
    text-align: center;
    letter-spacing: 0.02em;
}

/* =================================================================== */
/*  8. ENHANCED RESPONSIVE STYLES (for screens 768px or less)
/* =================================================================== */
@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .container {
        padding: 1.5rem;
        margin: 0 auto;
        width: auto;
        border-radius: var(--radius-md);
    }

    .login-container {
        margin-top: 2rem;
    }

    header h1 {
        font-size: 2rem;
    }

    header h2, form legend {
        font-size: 1.4rem;
    }

    form fieldset {
        padding: 1.5rem;
    }

    .tab-nav {
        flex-direction: column;
    }

    .tab-nav button {
        font-size: 1rem;
        padding: 16px 20px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .dashboard-table, .admin-container table {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: var(--radius-md);
    }

    .details-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .details-grid > div {
        padding: 12px 16px;
    }

    .details-grid strong {
        display: block;
        margin-bottom: 8px;
        color: var(--primary-color);
        font-weight: 700;
    }

    .details-grid > div:nth-child(4n-1),
    .details-grid > div:nth-child(4n) {
        background: rgba(255, 255, 255, 0.9);
    }

    .grid-span-2 {
        font-size: 1.1rem;
        padding: 16px 20px !important;
    }

    /* Mobile-specific enhancements */
    .submit-btn, .apply-now-btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    .action-link {
        padding: 6px 12px;
        font-size: 0.85rem;
    }

    th, td {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
}

/* =================================================================== */
/*  9. ADDITIONAL MODERN ENHANCEMENTS
/* =================================================================== */

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Modern focus indicators */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading states */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Status indicators */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-success { background: var(--success-color); color: white; }
.status-warning { background: var(--warning-color); color: white; }
.status-error { background: var(--error-color); color: white; }
.status-info { background: var(--info-color); color: white; }

/* Glassmorphism effects */
.glass-effect {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Micro-interactions */
.interactive {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.interactive:hover {
    transform: translateY(-2px);
}

.interactive:active {
    transform: translateY(0);
    transition: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}