/* CSS Variables for Theming */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --text-dark: #333;
    --text-light: #666;
    --border-color: #e0e0e0;
    --bg-light: #f8f9fa;
    --info-bg: #e0e7ff;
    --info-text: #4338ca;

    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);

    --border-radius-sm: 8px;
    --border-radius-md: 10px;
    --border-radius-lg: 15px;
    --border-radius-xl: 20px;

    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.2);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.3);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--gradient-primary);
    min-height: 100vh;
    padding: 20px;
}

/* Header Component Styles */
.header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
    padding: 20px;
}

.header h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.header p {
    font-size: 16px;
    opacity: 0.9;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: white;
    font-weight: 600;
    font-size: 20px;
}

.logo-icon {
    font-size: 28px;
}

.main-nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

.main-nav a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    transition: background-color 0.2s;
    font-size: 14px;
}

.main-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    color: white;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    border-radius: var(--border-radius-sm);
    transition: background-color 0.2s;
}

.dropdown-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    min-width: 200px;
    margin-top: 5px;
    padding-top: 5px;
    z-index: 1000;
}

/* Add pseudo-element to bridge the gap between button and menu */
.nav-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    color: var(--text-dark);
    display: block;
    padding: 12px 16px;
}

.dropdown-menu a:hover {
    background-color: var(--bg-light);
}

/* Footer Component Styles */
.footer {
    text-align: center;
    color: white;
    padding: 40px 20px;
    margin-top: 50px;
}

.footer p {
    margin-bottom: 10px;
    opacity: 0.9;
}

.footer-links {
    margin-top: 20px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.footer-links a:hover {
    opacity: 1;
}

/* Container & Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.main-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive Design */
@media (min-width: 768px) {
    .main-container {
        grid-template-columns: 2fr 1fr;
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 24px;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .main-nav a {
        font-size: 13px;
        padding: 6px 12px;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}

.mb-10 {
    margin-bottom: 10px;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}