/**
 * Frases Cristãs - Responsive Stylesheet
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 * 
 * Mobile-First Responsive Design
 */

/* ========================================
   TABLET BREAKPOINT (768px+)
   ======================================== */
@media (min-width: 768px) {
    /* Layout */
    :root {
        --container-max: 720px;
    }
    
    body {
        padding-bottom: var(--spacing-xl);
    }
    
    .container {
        padding: var(--spacing-lg);
    }
    
    /* Header */
    .app-header {
        padding: 0 var(--spacing-lg);
    }
    
    .header-logo h1 {
        font-size: var(--font-size-xl);
    }
    
    /* Desktop Navigation */
    .desktop-nav {
        display: flex;
        gap: var(--spacing-xs);
    }
    
    .desktop-nav .nav-link {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        padding: 10px 16px;
        border-radius: var(--radius-md);
        color: var(--text-secondary);
        font-size: var(--font-size-sm);
        font-weight: 500;
        transition: all var(--transition-fast);
    }
    
    .desktop-nav .nav-link i {
        font-size: 16px;
    }
    
    .desktop-nav .nav-link:hover {
        background: var(--primary-light);
        color: var(--primary-color);
    }
    
    .desktop-nav .nav-link.active {
        background: var(--gradient-primary);
        color: white;
    }
    
    /* Hide Bottom Navigation */
    .bottom-nav {
        display: none !important;
    }
    
    /* Hero */
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-2xl);
    }
    
    /* Emotion Grid */
    .emotion-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .emotion-card {
        padding: var(--spacing-lg);
        min-height: 100px;
    }
    
    .emotion-card i {
        font-size: 28px;
    }
    
    /* Generator Controls */
    .generator-controls {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Phrase Cards */
    .phrase-card-large {
        padding: var(--spacing-2xl);
    }
    
    .phrase-card-large .phrase-text {
        font-size: var(--font-size-2xl);
    }
    
    /* Favorites Grid */
    .favorites-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    /* Settings */
    .settings-group {
        padding: var(--spacing-xl);
    }
    
    .setting-item {
        padding: var(--spacing-lg) 0;
    }
    
    /* Modals */
    .modal-content {
        max-width: 600px;
    }
    
    /* Share Options */
    .share-options {
        grid-template-columns: repeat(6, 1fr);
    }
    
    /* Footer */
    .app-footer {
        margin-bottom: 0;
    }
}

/* ========================================
   DESKTOP BREAKPOINT (1024px+)
   ======================================== */
@media (min-width: 1024px) {
    /* Layout */
    :root {
        --container-max: 960px;
    }
    
    .container {
        padding: var(--spacing-xl);
    }
    
    /* Header */
    .app-header {
        padding: 0 var(--spacing-xl);
    }
    
    .desktop-nav .nav-link {
        padding: 10px 20px;
    }
    
    /* Hero */
    .hero {
        padding: var(--spacing-2xl) var(--spacing-xl);
    }
    
    /* Phrases Feed */
    .phrases-feed {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    /* History List */
    .history-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    /* Settings Layout */
    .settings-container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .settings-group.faq-section,
    .settings-group.about-section {
        grid-column: span 2;
    }
}

/* ========================================
   LARGE DESKTOP BREAKPOINT (1440px+)
   ======================================== */
@media (min-width: 1440px) {
    :root {
        --container-max: 1200px;
    }
    
    /* Favorites Grid */
    .favorites-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Phrases Feed */
    .phrases-feed {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ========================================
   SMALL MOBILE (320px - 374px)
   ======================================== */
@media (max-width: 374px) {
    :root {
        --font-size-base: 14px;
    }
    
    .container {
        padding: var(--spacing-sm);
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .emotion-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .generator-controls {
        grid-template-columns: 1fr;
    }
    
    .phrase-card-large .phrase-text {
        font-size: var(--font-size-lg);
    }
    
    .phrase-card-actions {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .btn-action {
        width: 44px;
        height: 44px;
    }
    
    .share-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-item {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 56px;
    }
    
    .nav-item span {
        font-size: 10px;
    }
    
    .setting-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .setting-item .form-select {
        width: 100%;
        max-width: 100%;
    }
    
    .setting-item .theme-toggle-group,
    .setting-item .gradient-options {
        width: 100%;
        justify-content: flex-start;
    }
}

/* ========================================
   LANDSCAPE MOBILE
   ======================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: var(--spacing-md) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .floating-icon {
        display: none;
    }
    
    .section {
        min-height: auto;
    }
}

/* ========================================
   TOUCH DEVICE OPTIMIZATIONS
   ======================================== */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .btn:hover {
        transform: none;
    }
    
    .phrase-card:hover {
        transform: none;
    }
    
    .emotion-card:hover {
        transform: none;
    }
    
    /* Ensure touch targets are large enough */
    .btn {
        min-height: 48px;
    }
    
    .nav-item {
        min-height: 48px;
    }
    
    .btn-action {
        min-width: 48px;
        min-height: 48px;
    }
    
    /* Active states for touch */
    .btn:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
    
    .emotion-card:active {
        transform: scale(0.98);
        background: var(--primary-light);
    }
    
    .phrase-card:active {
        transform: scale(0.99);
    }
}

/* ========================================
   HIGH CONTRAST MODE
   ======================================== */
@media (prefers-contrast: high) {
    :root {
        --card-border: rgba(53, 92, 125, 0.3);
    }
    
    .btn-outline {
        border-width: 3px;
    }
    
    .phrase-card {
        border-width: 2px;
    }
    
    .faq-item {
        border-width: 2px;
    }
}

/* ========================================
   REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-icon {
        animation: none;
    }
    
    .skeleton {
        animation: none;
        background: var(--bg-secondary);
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .app-header,
    .bottom-nav,
    .header-actions,
    .phrase-card-actions,
    .btn,
    .modal,
    .toast-container {
        display: none !important;
    }
    
    body {
        padding: 0;
        background: white;
        color: black;
    }
    
    .phrase-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .phrase-text {
        color: black;
    }
    
    a {
        text-decoration: underline;
    }
    
    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}

/* ========================================
   DARK MODE SYSTEM PREFERENCE
   ======================================== */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-color: #1a1a2e;
        --bg-secondary: #16213e;
        --card-bg: #1f2937;
        --card-border: rgba(248, 177, 149, 0.15);
        --text-primary: #f8f9fa;
        --text-secondary: #d1d5db;
        --text-muted: rgba(248, 249, 250, 0.6);
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
        --primary-light: color-mix(in srgb, var(--primary-color) 15%, #1a1a2e);
    }
}

/* ========================================
   SAFE AREA INSETS (iPhone X+)
   ======================================== */
@supports (padding: env(safe-area-inset-bottom)) {
    body {
        padding-top: calc(var(--header-height) + env(safe-area-inset-top, 0px));
        padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px) + 20px);
        padding-left: env(safe-area-inset-left, 0px);
        padding-right: env(safe-area-inset-right, 0px);
    }
    
    .app-header {
        padding-top: env(safe-area-inset-top, 0px);
        height: calc(var(--header-height) + env(safe-area-inset-top, 0px));
    }
    
    .bottom-nav {
        padding-bottom: env(safe-area-inset-bottom, 0px);
        height: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px));
    }
    
    .toast-container {
        bottom: calc(var(--bottom-nav-height) + var(--spacing-md) + env(safe-area-inset-bottom, 0px));
    }
}

/* ========================================
   CONTAINER QUERIES (Modern Browsers)
   ======================================== */
@supports (container-type: inline-size) {
    .phrases-feed {
        container-type: inline-size;
        container-name: feed;
    }
    
    @container feed (min-width: 500px) {
        .phrase-card {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: var(--spacing-md);
        }
        
        .phrase-card-footer {
            flex-direction: column;
            border-top: none;
            border-left: 1px solid var(--card-border);
            padding-top: 0;
            padding-left: var(--spacing-md);
            margin-top: 0;
        }
    }
    
    .favorites-grid {
        container-type: inline-size;
        container-name: favorites;
    }
    
    @container favorites (min-width: 600px) {
        .favorites-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
        }
    }
}

/* ========================================
   FLUID TYPOGRAPHY
   ======================================== */
@supports (font-size: clamp(1rem, 2vw, 2rem)) {
    .hero-title {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
    
    .hero-subtitle {
        font-size: clamp(1.25rem, 4vw, 2rem);
    }
    
    .phrase-card-large .phrase-text {
        font-size: clamp(1.25rem, 3vw, 2rem);
    }
}