/* ==========================================
   ROBIRDS FAMILY COOKBOOK - MAIN STYLES
   ========================================== */

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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --accent-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-bg: #ecf0f1;
    --dark-bg: #34495e;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --border-color: #bdc3c7;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.nav-links span {
    color: var(--light-bg);
}

/* ==========================================
   ALERTS & MESSAGES
   ========================================== */

.alert {
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 5px;
    font-weight: 500;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

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

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.btn-remove {
    background-color: var(--danger-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background-color 0.3s;
}

.btn-remove:hover {
    background-color: #c0392b;
}

/* ==========================================
   AUTH PAGES (Login/Register)
   ========================================== */

.auth-container {
    max-width: 450px;
    margin: 3rem auto;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.auth-container h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.auth-form {
    margin-top: 1.5rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-light);
}

.auth-footer a {
    color: var(--accent-color);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ==========================================
   RECIPE GRID (Home Page)
   ========================================== */

.recipes-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2rem 0;
}

.recipes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.recipe-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.recipe-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.recipe-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.recipe-image-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.recipe-card-content {
    padding: 1.5rem;
}

.recipe-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.recipe-meta {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.category-badge,
.difficulty-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.category-badge {
    background-color: var(--accent-color);
    color: var(--white);
}

.difficulty-badge {
    color: var(--white);
}

.difficulty-easy {
    background-color: var(--success-color);
}

.difficulty-medium {
    background-color: var(--warning-color);
}

.difficulty-hard {
    background-color: var(--danger-color);
}

.recipe-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.recipe-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.recipe-author {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* ==========================================
   RECIPE FORM
   ========================================== */

.recipe-form-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--light-bg);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Ingredient rows */
.ingredient-row {
    display: grid;
    grid-template-columns: 100px 120px 1fr 150px 40px;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    align-items: center;
}

.ingredient-row input {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* ==========================================
   RECIPE DETAIL PAGE
   ========================================== */

.recipe-detail {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.recipe-header h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.recipe-meta-info {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.recipe-photo {
    width: 100%;
    margin-bottom: 2rem;
    border-radius: 10px;
    overflow: hidden;
}

.recipe-photo img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
}

.recipe-info-bar {
    display: flex;
    gap: 2rem;
    padding: 1rem;
    background-color: var(--light-bg);
    border-radius: 5px;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.info-item {
    font-size: 0.95rem;
}

.recipe-rating {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.stars {
    color: var(--warning-color);
    font-size: 1.3rem;
}

.recipe-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.recipe-author {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.recipe-section {
    margin: 2rem 0;
    padding: 1.5rem 0;
    border-top: 2px solid var(--light-bg);
}

.recipe-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.ingredients-list {
    list-style: none;
    padding-left: 0;
}

.ingredients-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-bg);
}

.ingredients-list li:last-child {
    border-bottom: none;
}

.instructions {
    line-height: 1.8;
    font-size: 1.05rem;
}

.nutrition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.nutrition-item {
    padding: 0.75rem;
    background-color: var(--light-bg);
    border-radius: 5px;
    text-align: center;
}

/* Comments */
.comments-list {
    margin-top: 1rem;
}

.comment {
    padding: 1rem;
    background-color: var(--light-bg);
    border-radius: 5px;
    margin-bottom: 1rem;
}

.comment-author {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.comment-text {
    color: var(--text-dark);
}

.recipe-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: space-between;
}

/* ==========================================
   EMPTY STATE
   ========================================== */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.empty-state h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.empty-state p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

footer {
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
    background-color: var(--primary-color);
    color: var(--white);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .recipes-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .recipes-grid {
        grid-template-columns: 1fr;
    }
    
    .ingredient-row {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .recipe-info-bar {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .recipe-actions {
        flex-direction: column;
    }
}