/* ===================================
   PlayM3U8.Online - Apple Style
   Inspired by Apple.com design
   =================================== */

:root {
    /* Apple Color Palette */
    --apple-blue: #0071e3;
    --apple-blue-hover: #0077ed;
    --apple-gray: #f5f5f7;
    --apple-dark: #1d1d1f;
    --apple-text: #1d1d1f;
    --apple-text-secondary: #6e6e73;
    --apple-divider: #d2d2d7;

    /* Spacing (Apple's precise spacing system) */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 64px;
    --spacing-xxl: 96px;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 17px;
    --font-size-lg: 21px;
    --font-size-xl: 28px;
    --font-size-2xl: 40px;
    --font-size-3xl: 48px;
    --font-size-4xl: 64px;
    --font-size-5xl: 80px;

    /* Shadows (subtle, Apple-like) */
    --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-strong: 0 8px 32px rgba(0, 0, 0, 0.16);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.28, 0.11, 0.32, 1);
    --transition-base: 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
    --transition-slow: 0.5s cubic-bezier(0.28, 0.11, 0.32, 1);
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-color: #000000;
    --card-bg: #1d1d1f;
    --text-color: #f5f5f7;
    --text-secondary: #a1a1a6;
    --border-color: #424245;
    --apple-gray: #1d1d1f;
    --apple-text: #f5f5f7;
    --apple-text-secondary: #a1a1a6;
    --apple-divider: #424245;
}

[data-theme="light"] {
    --bg-color: #ffffff;
    --card-bg: #f5f5f7;
    --text-color: #1d1d1f;
    --text-secondary: #6e6e73;
    --border-color: #d2d2d7;
}

/* ===================================
   Global Styles
   =================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    background: var(--bg-color);
    color: var(--text-color);
    transition: background 0.5s ease, color 0.5s ease;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: var(--apple-blue);
    color: white;
}

/* ===================================
   Navigation Bar (Apple Style)
   =================================== */

.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

[data-theme="dark"] .navbar {
    background: rgba(29, 29, 31, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .container {
    max-width: 1024px;
    padding: 0 var(--spacing-md);
}

.navbar-brand {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-color) !important;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 0;
    transition: opacity var(--transition-fast);
}

.navbar-brand:hover {
    opacity: 0.7;
}

.navbar-brand i {
    font-size: 24px;
}

.nav-link {
    color: var(--text-color) !important;
    font-size: var(--font-size-sm);
    font-weight: 400;
    padding: 16px 12px !important;
    transition: opacity var(--transition-fast);
    letter-spacing: -0.01em;
}

.nav-link:hover {
    opacity: 0.7;
    background: transparent !important;
}

.lang-selector {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-selector:hover {
    border-color: var(--apple-blue);
}

.lang-selector:focus {
    outline: none;
    border-color: var(--apple-blue);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--apple-gray);
}

/* ===================================
   Hero Section (Apple Style)
   =================================== */

.hero-section {
    background: var(--bg-color);
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    text-align: center;
    position: relative;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 600;
    line-height: 1.0625;
    letter-spacing: -0.015em;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    background: linear-gradient(90deg, var(--apple-blue), #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 400;
    line-height: 1.28577;
    letter-spacing: -0.01em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===================================
   URL Input Section (Apple Style)
   =================================== */

.url-input-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.input-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

/* Override Bootstrap input-group styles to preserve border-radius */
.input-group > .form-control,
.input-group > .url-input {
    border-radius: var(--radius-md) !important;
}

.input-group > .btn,
.input-group > .btn-play {
    border-radius: var(--radius-md) !important;
}

.url-input {
    flex: 1;
    padding: 16px 20px;
    font-size: var(--font-size-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-color);
    color: var(--text-color);
    transition: all var(--transition-fast);
    font-family: var(--font-primary);
}

.url-input:focus {
    outline: none;
    border-color: var(--apple-blue);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

.url-input::placeholder {
    color: var(--text-secondary);
}

.btn-play {
    padding: 16px 32px;
    font-size: var(--font-size-base);
    font-weight: 400;
    background: var(--apple-blue);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-play:hover {
    background: var(--apple-blue-hover);
    transform: translateY(-1px);
}

.btn-play:active {
    transform: translateY(0);
}

.btn-example {
    padding: 12px 24px;
    font-size: var(--font-size-sm);
    font-weight: 400;
    background: transparent;
    color: var(--apple-blue);
    border: 1px solid var(--apple-blue);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-example:hover {
    background: var(--apple-blue);
    color: white;
}

/* ===================================
   Player Section (Apple Style)
   =================================== */

.player-container {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    margin-bottom: var(--spacing-lg);
    transition: box-shadow var(--transition-base);
}

.player-container:hover {
    box-shadow: var(--shadow-strong);
}

.video-js {
    width: 100%;
    border-radius: var(--radius-xl);
}

.error-message {
    background: #ff3b30;
    color: white;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ===================================
   Features Section (Apple Style)
   =================================== */

.features-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--apple-gray);
    border-radius: var(--radius-xl);
    margin: var(--spacing-lg) 0;
}

[data-theme="dark"] .features-section {
    background: var(--apple-dark);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    line-height: 1.08349;
    letter-spacing: -0.015em;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-color);
}

.feature-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-subtle);
    transition: all var(--transition-base);
    height: 100%;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--border-color);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--apple-blue);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: 1.19048;
    letter-spacing: -0.01em;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.feature-description {
    font-size: var(--font-size-base);
    line-height: 1.47059;
    color: var(--text-secondary);
}

/* ===================================
   How to Section (Apple Style)
   =================================== */

.howto-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--bg-color);
    margin: var(--spacing-lg) 0;
}

.step-card {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--apple-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0 auto var(--spacing-md);
}

.step-text {
    font-size: var(--font-size-lg);
    line-height: 1.28577;
    color: var(--text-color);
}

/* ===================================
   Blog Section (Apple Style)
   =================================== */

.blog-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--apple-gray);
    border-radius: var(--radius-xl);
    margin: var(--spacing-lg) 0;
}

[data-theme="dark"] .blog-section {
    background: var(--apple-dark);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.blog-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid transparent;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--border-color);
}

.blog-card-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--apple-blue) 0%, #00d4ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    color: white;
    opacity: 0.9;
}

.blog-card-content {
    padding: var(--spacing-md);
}

.blog-card-category {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--apple-blue);
    font-weight: 600;
    margin-bottom: 8px;
}

.blog-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: 1.19048;
    letter-spacing: -0.01em;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

.blog-card-excerpt {
    font-size: var(--font-size-sm);
    line-height: 1.42857;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.blog-card-meta {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: var(--spacing-sm);
}

.blog-card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.blog-card-link {
    color: var(--apple-blue);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all var(--transition-base);
}

.blog-card-link:hover {
    text-decoration: underline;
    color: var(--apple-blue);
}

.blog-card-placeholder {
    background: var(--bg-color);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.blog-card-placeholder i {
    font-size: 48px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.blog-card-placeholder h3 {
    font-size: var(--font-size-lg);
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

.blog-card-placeholder p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ===================================
   FAQ Section (Apple Style)
   =================================== */

.faq-section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    background: var(--bg-color);
    margin: var(--spacing-lg) 0;
}

.accordion-item {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    margin-bottom: 0;
}

.accordion-button {
    background: transparent;
    color: var(--text-color);
    font-size: var(--font-size-lg);
    font-weight: 600;
    padding: var(--spacing-md) 0;
    border: none;
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    background: transparent;
    color: var(--text-color);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border: none;
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230071e3'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
    padding: 0 0 var(--spacing-md) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.47059;
}

/* ===================================
   Footer (Apple Style)
   =================================== */

.footer {
    background: var(--apple-gray);
    color: var(--text-color);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    font-size: var(--font-size-sm);
    border-top: 1px solid var(--border-color);
}

[data-theme="dark"] .footer {
    background: var(--apple-dark);
}

/* Override Bootstrap text-white classes */
.footer .text-white,
.footer .text-white-50,
.footer h5,
.footer h6 {
    color: var(--text-color) !important;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer p,
.footer .text-white-50 {
    color: var(--text-color) !important;
    opacity: 0.8;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--text-color);
    opacity: 0.7;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--apple-blue);
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    text-align: center;
    color: var(--text-color);
    opacity: 0.7;
}

/* ===================================
   Ad Container (Hidden by default)
   =================================== */

.ad-container {
    display: none; /* Hidden by default */
    background: var(--apple-gray);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    margin: var(--spacing-lg) 0;
    min-height: 250px;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

/* Show ads when enabled */
body.ads-enabled .ad-container {
    display: flex;
}

.ad-container.horizontal {
    min-height: 90px;
}

.ad-container.sidebar {
    min-height: 600px;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 1024px) {
    :root {
        --font-size-4xl: 48px;
        --font-size-3xl: 40px;
        --spacing-xxl: 64px;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 40px;
        --font-size-3xl: 32px;
        --font-size-2xl: 28px;
        --spacing-xxl: 48px;
        --spacing-xl: 40px;
    }

    .hero-section {
        padding: var(--spacing-xl) 0 var(--spacing-lg);
    }

    .input-group {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    /* Ensure input takes full width on mobile */
    .url-input,
    .input-group > .form-control {
        width: 100% !important;
        min-width: 0;
    }

    .btn-play,
    .btn-example {
        width: 100%;
        justify-content: center;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    /* Reduce padding on sections for mobile */
    .features-section,
    .blog-section,
    .howto-section,
    .faq-section {
        padding: var(--spacing-lg) var(--spacing-md);
        border-radius: var(--radius-lg);
    }

    .navbar-collapse {
        background: var(--bg-color);
        padding: var(--spacing-md);
        margin-top: var(--spacing-sm);
        border-radius: var(--radius-md);
        border: 1px solid var(--border-color);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-4xl: 32px;
        --font-size-3xl: 24px;
        --spacing-xl: 32px;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }
}

/* ===================================
   Animations (Apple-like)
   =================================== */

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

.fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.28, 0.11, 0.32, 1);
}

/* ===================================
   Utility Classes
   =================================== */

.text-gradient {
    background: linear-gradient(90deg, var(--apple-blue), #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.container-narrow {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.d-none {
    display: none !important;
}