/* Import centralized color configuration */
@import 'variables.css';

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--color-white);
    color: var(--color-text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Top Navigation Bar */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4%;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
}

.nav-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 15px;
}

.add-recipe-btn {
    background: var(--color-secondary);
    color: var(--color-text-primary);
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.add-recipe-btn:hover {
    background: var(--color-secondary-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.hamburger-menu {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.hamburger-menu span {
    display: block;
    width: 28px;
    height: 4px;
    background: var(--color-secondary);
    border-radius: 4px;
    transition: all 0.3s;
}

.hamburger-menu:hover span {
    background: var(--color-primary);
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.search-container {
    display: none;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-md);
    padding: 8px 16px;
    border: 2px solid var(--color-secondary);
    transition: all 0.3s;
    flex: 1;
    max-width: 400px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.search-container.active {
    display: flex;
}

.search-container:focus-within {
    background: var(--color-white);
    border-color: var(--color-secondary-hover);
    box-shadow: 0 4px 16px rgba(255, 199, 44, 0.3);
    transform: translateY(-1px);
}

.search-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: 16px;
    outline: none;
}

.search-input::placeholder {
    color: var(--color-text-tertiary);
}

/* User Info Section */
.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-secondary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-primary);
}

.user-name::before {
    content: '👤 ';
}

.logout-btn {
    background: var(--color-white);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
}

.logout-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px var(--color-primary-alpha-25);
}

.login-btn {
    background: var(--color-secondary);
    color: var(--color-text-primary);
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.login-btn:hover {
    background: var(--color-secondary-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.search-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid var(--color-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 6px;
    transition: var(--transition-normal);
    border-radius: 50%;
    color: var(--color-secondary);
}

.search-btn:hover {
    background: var(--color-secondary);
    color: var(--color-text-primary);
}

/* Side Menu */
.side-menu {
    position: fixed;
    top: 0;
    left: -350px;
    width: 350px;
    height: 100vh;
    background: var(--color-white);
    z-index: 200;
    transition: left 0.3s ease;
    overflow-y: auto;
    padding: 30px 20px;
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.08);
}

.side-menu.active {
    left: 0;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-overlay);
    z-index: 150;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.overlay.active {
    opacity: 1;
    pointer-events: all;
}

.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.menu-header h2 {
    font-size: 22px;
    color: var(--color-text-primary);
    font-weight: 600;
}

.close-menu {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 28px;
    cursor: pointer;
    padding: 5px;
    transition: color 0.2s;
}

.close-menu:hover {
    color: var(--color-primary);
}

.menu-section {
    margin-bottom: 30px;
}

.menu-section h3 {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 600;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.filter-option:hover {
    background: var(--color-background-light);
}

.filter-option.active {
    background: var(--color-secondary-alpha-10);
    border-color: var(--color-secondary);
}

.filter-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition-normal);
}

.filter-option.active .filter-checkbox {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.filter-option.active .filter-checkbox::after {
    content: '✓';
    color: var(--color-white);
    font-size: 12px;
    font-weight: bold;
}

.filter-label-text {
    flex: 1;
    font-size: 15px;
    color: var(--color-text-primary);
}

.clear-filters-btn {
    width: 100%;
    padding: 12px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    margin-top: 20px;
    transition: var(--transition-normal);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.clear-filters-btn:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(218, 41, 28, 0.2);
}

/* Main Container */
.main-container {
    margin-top: 70px;
    padding: 0;
    min-height: calc(100vh - 70px);
    background: var(--color-white);
}

/* Category Section */
.category-section {
    margin-bottom: 0;
    padding: 60px 5%;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border-light);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
}

.category-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -0.5px;
}

.category-badge {
    background: var(--color-secondary);
    color: var(--color-text-primary);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Recipe Cards Container */
.recipe-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    padding: 0;
}

/* Recipe Card */
.recipe-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    box-shadow: var(--shadow-card);
}

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

.recipe-card-image {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    position: relative;
    overflow: hidden;
}

.recipe-card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.recipe-card-emoji {
    position: relative;
    z-index: 1;
}

.recipe-card-content {
    padding: 20px;
    background: var(--color-white);
}

.recipe-card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-text-primary);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.recipe-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.recipe-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    color: var(--color-warning);
}

.recipe-labels {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.recipe-label-tag {
    background: var(--color-background-alt);
    color: var(--color-text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--color-border-light);
}

/* Recipe Modal */
.recipe-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 300;
    display: none;
    align-items: center;
    justify-content: center;
}

.recipe-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-overlay-dark);
}

.modal-container {
    position: relative;
    background: var(--color-white);
    border-radius: 16px;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.modal-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-normal);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.modal-close-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.modal-content {
    padding: 40px;
}

.modal-header {
    margin-bottom: 30px;
}

.modal-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-text-primary);
}

.modal-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.modal-rating {
    display: flex;
    align-items: center;
    gap: 8px;
}

.star {
    color: var(--color-warning);
    font-size: 24px;
}

.star.empty {
    color: var(--color-border);
}

.modal-labels {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.modal-label-tag {
    background: var(--color-background-alt);
    color: var(--color-text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--color-border-light);
}

.modal-time-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
    padding: 16px 20px;
    background: var(--color-background-light);
    border-radius: 12px;
    font-size: 15px;
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}

.modal-section {
    margin-bottom: 30px;
}

.modal-section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-ingredients {
    background: var(--color-background-light);
    padding: 24px;
    border-radius: 12px;
    border-left: 4px solid var(--color-primary);
}

.modal-ingredient {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 16px;
    color: var(--color-text-primary);
    line-height: 1.6;
}

.modal-ingredient:last-child {
    border-bottom: none;
}

.modal-ingredient::before {
    content: '• ';
    color: var(--color-primary);
    font-weight: bold;
    margin-right: 10px;
}

.modal-instructions {
    background: var(--color-background-light);
    padding: 24px;
    border-radius: 12px;
    line-height: 1.8;
    color: var(--color-text-primary);
    font-size: 16px;
}

.modal-instructions strong,
.modal-instructions b {
    color: var(--color-text-primary);
    font-weight: 600;
}

.modal-instructions em,
.modal-instructions i {
    color: var(--color-text-secondary);
    font-style: italic;
}

.modal-instructions ol,
.modal-instructions ul {
    padding-left: 25px;
    margin: 15px 0;
}

.modal-instructions li {
    margin-bottom: 12px;
}

.modal-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.modal-btn {
    flex: 1;
    padding: 16px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.btn-edit {
    background: var(--color-secondary);
    color: var(--color-white);
}

.btn-edit:hover {
    background: var(--color-secondary-hover);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 100px 20px;
    color: var(--color-text-primary);
}

.empty-state h2 {
    font-size: 32px;
    margin-bottom: 15px;
    color: var(--color-text-primary);
}

.empty-state p {
    font-size: 18px;
    color: var(--color-text-secondary);
}

/* Loading State */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px;
    font-size: 24px;
    color: var(--color-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .top-nav {
        padding: 0 15px;
        height: 64px;
    }

    .logo {
        font-size: 18px;
    }

    .nav-left {
        gap: 8px;
    }

    .search-container {
        max-width: 200px;
        padding: 8px 16px;
    }

    .search-input {
        font-size: 14px;
    }

    .search-btn {
        font-size: 18px;
        padding: 6px;
    }

    .add-recipe-btn {
        padding: 10px 16px;
        font-size: 13px;
    }

    .nav-right {
        gap: 8px;
    }

    .user-info {
        padding: 6px 12px;
        gap: 8px;
    }

    .user-name {
        font-size: 12px;
        max-width: 70px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .logout-btn {
        padding: 5px 10px;
        font-size: 11px;
    }

    .login-btn {
        padding: 10px 16px;
        font-size: 13px;
    }

    .side-menu {
        width: 280px;
        left: -280px;
    }

    .main-container {
        margin-top: 64px;
        padding: 0;
    }

    .category-section {
        padding: 40px 4%;
    }

    .recipe-cards {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 20px;
    }

    .recipe-card-image {
        height: 160px;
        font-size: 50px;
    }

    .recipe-card-title {
        font-size: 15px;
    }

    .category-title {
        font-size: 28px;
    }

    .modal-container {
        width: 95%;
        max-height: 95vh;
        border-radius: var(--radius-md);
    }

    .modal-content {
        padding: 25px 20px;
    }

    .modal-title {
        font-size: 28px;
    }

    .modal-actions {
        flex-direction: column;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-secondary);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}