/* ==========================================
   MI MENÚ SEMANAL - Design System
   ========================================== */

/* -- CSS Variables -- */
:root {
    --green-900: #0d3b1a;
    --green-800: #1a5c2e;
    --green-700: #236b38;
    --green-600: #2d8a4e;
    --green-500: #4CAF50;
    --green-400: #66BB6A;
    --green-300: #81C784;
    --green-200: #A5D6A7;
    --green-100: #C8E6C9;
    --green-50: #E8F5E9;

    --earth-700: #5D4037;
    --earth-500: #8D6E63;
    --gold-500: #F9A825;
    --gold-300: #FFD54F;
    --cream: #FDFAF3;
    --white: #ffffff;
    --text-dark: #1a2e1a;
    --text-mid: #3a5a3a;
    --text-light: #6a8a6a;
    --shadow-sm: 0 2px 8px rgba(13,59,26,0.08);
    --shadow-md: 0 4px 20px rgba(13,59,26,0.12);
    --shadow-lg: 0 8px 40px rgba(13,59,26,0.18);
    --shadow-glow: 0 0 30px rgba(76,175,80,0.2);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --glass-bg: rgba(255,255,255,0.65);
    --glass-border: rgba(255,255,255,0.3);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(145deg, var(--green-50) 0%, var(--cream) 30%, var(--green-100) 60%, var(--green-50) 100%);
    color: var(--text-dark);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(76,175,80,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(129,199,132,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(249,168,37,0.04) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

h1, h2, h3, h4 { font-family: 'Outfit', sans-serif; }

/* -- Floating Decorations -- */
.floating-decorations {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.float-emoji {
    position: absolute;
    left: var(--x);
    top: var(--y);
    font-size: 2rem;
    opacity: 0.12;
    animation: floatAround 12s ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes floatAround {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(15px, -20px) rotate(10deg); }
    50% { transform: translate(-10px, -35px) rotate(-5deg); }
    75% { transform: translate(20px, -15px) rotate(8deg); }
}

/* -- Header -- */
#app-header {
    position: relative;
    z-index: 10;
    background: linear-gradient(135deg, var(--green-800) 0%, var(--green-600) 50%, var(--green-700) 100%);
    padding: 2rem 1.5rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

#app-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0; right: 0;
    height: 40px;
    background: linear-gradient(135deg, var(--green-800), var(--green-600));
    border-radius: 0 0 50% 50%;
    z-index: -1;
}

.header-content { max-width: 900px; margin: 0 auto; }

.logo { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 6px; }

.logo-icon {
    font-size: 2.8rem;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3));
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.logo h1 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--green-200);
    font-size: 1rem;
    font-weight: 300;
    margin-bottom: 1.2rem;
}

.header-nav { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }

.nav-btn {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}

.nav-btn:hover, .nav-btn.active {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

/* -- Main -- */
#app-main {
    position: relative;
    z-index: 5;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    min-height: 70vh;
}

.section { display: none; animation: fadeIn 0.4s ease; }
.section.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--green-800);
    text-align: center;
    margin-bottom: 1.8rem;
}

.emoji-accent { font-size: 1.5rem; }

/* -- Month Grid -- */
.month-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}

.month-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.month-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--green-500), var(--green-300));
    transform: scaleX(0);
    transition: var(--transition);
}

.month-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--green-300);
}

.month-card:hover::before { transform: scaleX(1); }

.month-card .month-emoji { font-size: 2.5rem; display: block; margin-bottom: 8px; }

.month-card .month-name {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--green-800);
}

.month-card .month-season {
    font-size: 0.78rem;
    color: var(--text-light);
    margin-top: 4px;
}

/* -- Menu Section -- */
.menu-header { text-align: center; margin-bottom: 1.5rem; }

.back-btn {
    background: var(--glass-bg);
    border: 1px solid var(--green-200);
    color: var(--green-700);
    padding: 8px 18px;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1rem;
    display: inline-block;
}

.back-btn:hover {
    background: var(--green-100);
    transform: translateX(-3px);
}

.week-selector {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.week-btn {
    background: var(--glass-bg);
    border: 1.5px solid var(--green-200);
    color: var(--green-700);
    padding: 8px 18px;
    border-radius: 50px;
    font-family: 'Inter', sans-serif;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.week-btn:hover { background: var(--green-100); }

.week-btn.active {
    background: linear-gradient(135deg, var(--green-600), var(--green-500));
    color: var(--white);
    border-color: var(--green-500);
    box-shadow: 0 3px 12px rgba(76,175,80,0.3);
}

/* -- Menu Grid -- */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 14px;
}

.day-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.day-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.day-card .day-header {
    background: linear-gradient(135deg, var(--green-700), var(--green-600));
    color: var(--white);
    padding: 10px;
    text-align: center;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
}

.day-card .meals { padding: 10px; }

.meal-item {
    padding: 8px;
    margin-bottom: 6px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.meal-item:hover {
    background: var(--green-50);
    border-left-color: var(--green-500);
    transform: translateX(3px);
}

.meal-item:last-child { margin-bottom: 0; }

.meal-type {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--green-600);
    margin-bottom: 2px;
}

.meal-name {
    font-size: 0.85rem;
    color: var(--text-dark);
    font-weight: 400;
    line-height: 1.3;
}

.generate-list-btn {
    display: block;
    margin: 2rem auto 0;
    background: linear-gradient(135deg, var(--green-600), var(--green-500));
    color: var(--white);
    border: none;
    padding: 14px 36px;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(76,175,80,0.3);
}

.generate-list-btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 6px 30px rgba(76,175,80,0.4);
}

/* -- Shopping List -- */
.shopping-header { text-align: center; margin-bottom: 1.5rem; }

.shopping-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.action-btn {
    background: var(--glass-bg);
    border: 1px solid var(--green-200);
    color: var(--green-700);
    padding: 8px 16px;
    border-radius: 50px;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--green-100);
    transform: translateY(-2px);
}

.shopping-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.shopping-category {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.category-header {
    background: linear-gradient(135deg, var(--green-700), var(--green-600));
    color: var(--white);
    padding: 12px 16px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-items { padding: 12px; }

.shopping-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
}

.shopping-item:hover { background: var(--green-50); }

.shopping-item.checked { opacity: 0.5; text-decoration: line-through; }

.shopping-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--green-600);
    cursor: pointer;
}

.shopping-item label {
    font-size: 0.9rem;
    cursor: pointer;
    flex: 1;
}

/* -- Recipe Modal -- */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(13,59,26,0.5);
    backdrop-filter: blur(6px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    animation: fadeIn 0.25s ease;
}

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

.modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalIn {
    from { transform: scale(0.9) translateY(20px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-close {
    position: sticky;
    top: 12px;
    float: right;
    margin: 12px 12px 0 0;
    background: var(--green-100);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    color: var(--green-800);
}

.modal-close:hover {
    background: var(--green-200);
    transform: rotate(90deg);
}

#recipe-detail { padding: 2rem; }

.recipe-title-area {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--green-100);
}

.recipe-emoji { font-size: 3rem; display: block; margin-bottom: 8px; }

.recipe-name {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--green-800);
}

.recipe-meta {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.recipe-meta-item {
    background: var(--green-50);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.82rem;
    color: var(--green-700);
    font-weight: 500;
}

.recipe-section-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--green-700);
    margin: 1.5rem 0 0.8rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.recipe-ingredients {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 6px;
}

.recipe-ingredients li {
    padding: 6px 10px;
    background: var(--green-50);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    border-left: 3px solid var(--green-400);
}

.recipe-steps { list-style: none; counter-reset: step; }

.recipe-steps li {
    counter-increment: step;
    padding: 10px 10px 10px 44px;
    margin-bottom: 8px;
    background: var(--green-50);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    line-height: 1.5;
    position: relative;
}

.recipe-steps li::before {
    content: counter(step);
    position: absolute;
    left: 10px;
    top: 10px;
    width: 24px;
    height: 24px;
    background: var(--green-600);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

/* -- Footer -- */
#app-footer {
    position: relative;
    z-index: 5;
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 2rem;
}

.footer-icons {
    font-size: 1.5rem;
    margin-top: 8px;
    letter-spacing: 4px;
    opacity: 0.6;
}

/* -- Responsive -- */
@media (max-width: 768px) {
    .logo h1 { font-size: 1.6rem; }
    .logo-icon { font-size: 2.2rem; }
    .section-title { font-size: 1.4rem; }
    .month-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .month-card { padding: 1rem 0.7rem; }
    .month-card .month-emoji { font-size: 2rem; }
    .menu-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
    #recipe-detail { padding: 1.5rem; }
    .recipe-ingredients { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .month-grid { grid-template-columns: repeat(2, 1fr); }
    .menu-grid { grid-template-columns: 1fr 1fr; }
    .nav-btn { padding: 8px 14px; font-size: 0.85rem; }
    .week-btn { padding: 6px 12px; font-size: 0.8rem; }
}

/* -- Toast notification -- */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--green-800);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    z-index: 2000;
    box-shadow: var(--shadow-lg);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
}

.toast.show { transform: translateX(-50%) translateY(0); }