:root {
    --primary-color: #f5eedc;
    --secondary-color: #212529;
    --accent-color: #4361ee;
    --accent-hover: #3a56d4;
    --text-light: #f5eedc;
    --text-dark: #212529;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --border-radius: 12px;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
}

.dark-theme {
    --primary-color: #121212;
    --secondary-color: #e9ecef;
    --accent-color: #4895ef;
    --accent-hover: #3a7bc8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--secondary-color);
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* Modern Navigation */
.nav {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    background-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 100;
}

.nav .items {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav .items a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 500;
    padding: var(--space-xs) 0;
    position: relative;
    transition: var(--transition);
}

.nav .items a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav .items a:hover::after {
    width: 100%;
}

.nav .logo {
    height: 50px;
    width: 50px;
    border-radius: 50%;
    object-fit: cover;
    transition: var(--transition);
}

.nav .logo:hover {
    transform: rotate(15deg) scale(1.1);
}

#icon {
    height: 38px;
    width: 38px;
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: 50%;
    transition: var(--transition);
    background-color: rgba(0, 0, 0, 0.05);
}

#icon:hover {
    transform: scale(1.1) rotate(15deg);
    background-color: rgba(0, 0, 0, 0.1);
}

.dark-theme #icon {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.main {
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    color: var(--text-light);
}

.main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/images/main.jpg');
    background-size: cover;
    background-position: center;
    z-index: -1;
    filter: brightness(0.7);
}

.main::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.8) 0%, rgba(103, 194, 255, 0.6) 100%);
    z-index: -1;
    mix-blend-mode: multiply;
}

.main p {
    max-width: 600px;
    margin-bottom: var(--space-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.main p:first-child {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

.main .text {
    font-size: 1.25rem;
    opacity: 0.9;
}

.main button {
    padding: var(--space-md) var(--space-lg);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    background-color: var(--accent-color);
    color: white;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    transform: translateY(0);
}

.main button a {
    text-decoration: none;
    color: inherit;
}

.main button:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-xl);
    background-color: var(--primary-color);
    color: var(--secondary-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.footer p {
    max-width: 800px;
    margin-bottom: var(--space-lg);
    font-size: 1.1rem;
    text-align: center;
}

.footer .des {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    list-style: none;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.footer a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.footer a:hover::after {
    width: 100%;
}

.footer .social-icons {
    display: flex;
    gap: var(--space-lg);
}

.footer .social-icons img {
    height: 40px;
    width: 40px;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.footer .social-icons img:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Auth Button */
.logout-btn {
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
    padding: 0;
    color: var(--secondary-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.logout-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.logout-btn:hover::after {
    width: 100%;
}

/* Admin Button */
.admin-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.admin-btn .material-symbols-outlined {
    color: white;
    font-size: 24px;
}

.admin-btn:hover {
    transform: translateY(-2px) scale(1.1);
    box-shadow: var(--shadow-md);
}

.admin-btn::after {
    display: none;
}


/* Button Group Styles */
.button-group {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
    flex-wrap: wrap;
}

.primary-btn,
.secondary-btn {
    padding: var(--space-md) var(--space-lg);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    transform: translateY(0);
    min-width: 200px;
}

.primary-btn a,
.secondary-btn a {
    text-decoration: none;
    color: inherit;
    display: block;
    width: 100%;
    height: 100%;
}

.primary-btn {
    background-color: var(--accent-color);
    color: white;
}

.secondary-btn {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.primary-btn:hover,
.secondary-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.primary-btn:hover {
    background-color: var(--accent-hover);
}

.secondary-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Responsive adjustments for buttons */
@media (max-width: 768px) {
    .button-group {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .primary-btn,
    .secondary-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {

    .primary-btn,
    .secondary-btn {
        min-width: unset;
        width: 100%;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        padding: var(--space-sm) var(--space-md);
    }

    .nav .items {
        gap: var(--space-md);
    }

    .main {
        padding: var(--space-xl) var(--space-md);
        align-items: center;
        text-align: center;
    }

    .main p {
        max-width: 100%;
    }

    .footer .des {
        gap: var(--space-md);
    }

    .footer {
        padding: var(--space-lg) var(--space-md);
    }
}

@media (max-width: 480px) {
    .nav {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .nav .items {
        gap: var(--space-sm);
    }

    .main p:first-child {
        font-size: 2rem;
    }

    .footer .des {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
    }
}