/* Base Styling & Variables */
:root {
    --bg-color: #0b131e;
    --card-bg: #1b2635;
    --card-bg-hover: #26364a;
    --accent-blue: #1d90ff;
    --accent-blue-hover: #156ccc;
    --text-white: #ffffff;
    --text-gray: #9ca3af;
    --gradient-main: linear-gradient(135deg, #1d90ff 0%, #0062ff 100%);
    --error-color: #ef4444;
    --modal-bg: rgba(11, 19, 30, 0.85);
    --border-color: rgba(255, 255, 255, 0.1);
}

html {
    font-size: 62.5%; /* 1rem = 10px */
}

body {
    font-size: 1.6rem;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-white);
    margin: 0;
    padding: 2rem;
    min-height: 100vh;
}

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

/* Utilities */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

/* Layout Structure */
.app-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

/* Header & Search */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 2.2rem;
    font-weight: 700;
}

.logo .icon-box {
    background: var(--accent-blue);
    padding: 0.5rem;
    border-radius: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-container {
    flex: 1;
    max-width: 500px;
    position: relative;
    z-index: 10;
}

.search-bar {
    width: 100%;
    position: relative;
    background: var(--card-bg);
    border-radius: 2rem;
    border: 1px solid var(--border-color);
    transition: border-color 0.3s, box-shadow 0.3s;
    display: flex;
    align-items: center;
}

.search-bar:focus-within {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(29, 144, 255, 0.2);
}

.search-bar input {
    flex: 1;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-white);
    font-size: 1.6rem;
    padding: 1.2rem 1.2rem 1.2rem 4rem;
    outline: none;
}

.btn-search {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 1.5rem;
    margin-right: 0.5rem;
    cursor: pointer;
    font-size: 1.4rem;
    transition: background 0.2s;
    font-weight: 600;
}

.btn-search:hover {
    background: var(--accent-blue-hover);
}

.search-bar .material-symbols-outlined {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-gray);
    pointer-events: none;
}

.search-bar #search-loading,
.search-bar #modal-search-loading {
    margin-right: 1rem;
    color: var(--accent-blue);
    display: flex;
    align-items: center;
}

.suggestions-list {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--card-bg);
    margin-top: 0.5rem;
    border-radius: 1rem;
    list-style: none;
    max-height: 300px;
    overflow-y: auto;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
}

.suggestion-item {
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover, .suggestion-item.active {
    background: var(--card-bg-hover);
}

.suggestion-name {
    font-weight: 600;
    font-size: 1.6rem;
}

.suggestion-details {
    font-size: 1.2rem;
    color: var(--text-gray);
}

.search-error {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    padding: 1rem 1.5rem;
    margin-top: 0.5rem;
    border-radius: 1rem;
    border: 1px solid var(--error-color);
    font-size: 1.4rem;
    text-align: center;
}

/* User Actions */
.user-actions {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.user-avatar {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: #d1d5db;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn-icon {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-white);
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.btn-icon:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.btn-icon .badge {
    position: absolute;
    top: -0.5rem;
    right: -0.5rem;
    background: var(--error-color);
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* State Messages (Initial, Loading) */
.state-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 10rem 2rem;
    text-align: center;
    color: var(--text-gray);
    background: var(--card-bg);
    border-radius: 3rem;
    border: 1px dashed var(--border-color);
}

.icon-large {
    font-size: 6rem;
    opacity: 0.5;
}

.empty-state-img {
    max-width: 140px;
    height: 140px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    margin-bottom: 2rem;
    animation: floatImage 6s ease-in-out infinite;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

@keyframes floatImage {
    0% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0); }
}

/* Main Display */
.weather-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Weather Hero Card */
.weather-hero {
    background: var(--gradient-main);
    border-radius: 3rem;
    padding: 4rem;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 40rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.hero-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 2;
}

.location-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.location-icon {
    font-size: 1.8rem;
}

.location-info h2 {
    font-size: 4rem;
    margin: 0.5rem 0;
    font-weight: 700;
}

.location-info .date {
    font-size: 1.6rem;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1rem;
}

.btn-save {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.btn-save:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: scale(1.05);
}

.btn-save.saved {
    background: var(--text-white);
    color: var(--accent-blue);
}

.badge-updated {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.6rem 1.2rem;
    border-radius: 0.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
}

.hero-middle {
    display: flex;
    align-items: center;
    gap: 3rem;
    z-index: 2;
    margin: 4rem 0;
}

.weather-icon-main {
    font-size: 8rem;
}

.main-temp {
    font-size: 10rem;
    font-weight: 300;
    line-height: 1;
}

.weather-desc {
    font-size: 2.4rem;
    font-weight: 500;
    text-transform: capitalize;
}

.hero-bottom {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 2rem;
    z-index: 2;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem 2rem;
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stat-card span:first-child {
    font-size: 2.4rem;
}

.stat-label {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    display: block;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
}

.bg-icon-large {
    position: absolute;
    right: -5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 30rem;
    opacity: 0.1;
    z-index: 1;
    pointer-events: none;
}

/* Hourly Forecast */
.forecast-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 1rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header h3 {
    font-size: 2.2rem;
    font-weight: 600;
}

.forecast-grid {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-blue) var(--card-bg);
}

.forecast-grid::-webkit-scrollbar {
    height: 6px;
}

.forecast-grid::-webkit-scrollbar-track {
    background: var(--card-bg);
    border-radius: 10px;
}

.forecast-grid::-webkit-scrollbar-thumb {
    background-color: var(--accent-blue);
    border-radius: 10px;
}

.hourly-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    min-width: 12rem;
    transition: background 0.3s, transform 0.2s;
    border: 1px solid transparent;
}

.hourly-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-color);
}

.hourly-card.active {
    background: var(--accent-blue);
}

.hourly-card .time {
    font-size: 1.4rem;
    font-weight: 500;
}

.hourly-card .material-symbols-outlined {
    font-size: 3rem;
}

.hourly-card .temp {
    font-size: 2rem;
    font-weight: 700;
}

.hourly-card .desc {
    font-size: 1.2rem;
    color: var(--text-gray);
    text-transform: capitalize;
}

.hourly-card.active .desc {
    color: rgba(255, 255, 255, 0.8);
}

/* Interactive Map */
.map-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 1rem;
}

.map-container {
    height: 350px;
    width: 100%;
    border-radius: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 1; /* Evitar que el mapa cubra otros modales/buscadores */
    background: var(--card-bg);
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--modal-bg);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 2rem;
    animation: fadeIn 0.3s;
}

.modal-content {
    background: var(--bg-color);
    width: 100%;
    max-width: 500px;
    border-radius: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
    border: 1px solid var(--border-color);
}

.modal-header {
    padding: 2.5rem 3rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 2.2rem;
    font-weight: 600;
}

.modal-body {
    padding: 2.5rem 3rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.modal-search {
    position: relative;
}

.saved-locations-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.saved-city-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s, border-color 0.2s;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.saved-city-card:hover {
    transform: translateX(5px);
    border-color: var(--accent-blue);
}

.city-main {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.city-icon {
    width: 4rem;
    height: 4rem;
    background: rgba(29, 144, 255, 0.1);
    color: var(--accent-blue);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
}

.city-info {
    display: flex;
    flex-direction: column;
}

.city-name {
    font-size: 1.8rem;
    font-weight: 600;
}

.country-name {
    font-size: 1.3rem;
    color: var(--text-gray);
}

.city-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-delete {
    background: transparent;
    border: none;
    color: var(--text-gray);
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.city-temp-info {
    text-align: right;
    display: flex;
    flex-direction: column;
}

.city-temp {
    font-size: 2rem;
    font-weight: 700;
}

.city-weather-desc {
    font-size: 1.2rem;
    color: var(--text-gray);
}


.btn-delete:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    color: var(--text-gray);
    text-align: center;
    gap: 1.5rem;
}

.empty-state .material-symbols-outlined {
    font-size: 4.8rem;
    opacity: 0.5;
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 0;
    color: var(--text-gray);
    font-size: 1.4rem;
    margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .logo {
        justify-content: center;
    }
    
    .search-container {
        max-width: 100%;
        order: 3;
    }
    
    .user-actions {
        position: absolute;
        top: 2rem;
        right: 2rem;
    }
    
    .main-temp {
        font-size: 7rem;
    }
    
    .weather-icon-main {
        font-size: 6rem;
    }
    
    .location-info h2 {
        font-size: 3rem;
    }
    
    .hero-middle {
        gap: 2rem;
    }
}