/* Base Styles and Variables */
:root {
    /* Light Mode Colors */
    --light-bg: #f8f9fa;
    --light-text: #212529;
    --light-accent: #0d6efd;
    --light-border: #dee2e6;
    --light-input-bg: #ffffff;
    --light-hover: #e9ecef;
    --light-placeholder-bg: #e9ecef;
    
    /* Dark Mode Colors */
    --dark-bg: #121212;
    --dark-text: #e9ecef;
    --dark-accent: #3d8bfd;
    --dark-border: #343a40;
    --dark-input-bg: #212529;
    --dark-hover: #343a40;
    --dark-placeholder-bg: #212529;
    
    /* Common Variables */
    --border-radius: 8px;
    --transition-speed: 0.3s;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --player-width: min(90vw, 900px);
    --player-height: calc(var(--player-width) * 9 / 16);
}

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

html, body {
    height: 100%;
    font-family: 'Vazirmatn', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    text-rendering: optimizeSpeed;
    -webkit-font-smoothing: antialiased;
}

body {
    display: flex;
    flex-direction: column;
    padding: 0 20px;
}

/* Theme Styles */
body.light-mode {
    background-color: var(--light-bg);
    color: var(--light-text);
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid;
    border-color: inherit;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.controls {
    display: flex;
    gap: 15px;
}

#theme-toggle {
    background: none;
    border: 1px solid;
    border-color: inherit;
    border-radius: var(--border-radius);
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed);
}

.light-mode #theme-toggle {
    background-color: var(--light-input-bg);
}

.dark-mode #theme-toggle {
    background-color: var(--dark-input-bg);
}

#theme-toggle:hover {
    background-color: var(--light-hover);
}

.dark-mode #theme-toggle:hover {
    background-color: var(--dark-hover);
}

#lang-toggle {
    background: none;
    border: 1px solid;
    border-color: inherit;
    border-radius: var(--border-radius);
    padding: 10px 16px;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed);
    background-color: #0d6efd;
    color: white;
}

#lang-toggle:hover {
    background-color: #0b5ed7;
}

.light-mode #lang-toggle {
    background-color: var(--light-input-bg);
}

.dark-mode #lang-toggle {
    background-color: #0d6efd;
    color: white;
    border-color: #0d6efd;
}

.dark-mode #lang-toggle:hover {
    background-color: #0b5ed7;
}

.light-mode .dark-icon, .dark-mode .light-icon {
    display: none;
}

.light-mode .light-icon, .dark-mode .dark-icon {
    display: inline;
}

html[lang="fa"] .en-lang, html[lang="en"] .fa-lang {
    display: none;
}

html[lang="fa"] .fa-lang, html[lang="en"] .en-lang {
    display: inline;
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Input Section */
.input-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.url-input-container, .subtitle-input-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

label {
    font-weight: 500;
    min-width: 100px;
}

input[type="text"] {
    flex: 1;
    min-width: 200px;
    padding: 10px 15px;
    border: 1px solid;
    border-radius: var(--border-radius);
    font-family: inherit;
    transition: border-color var(--transition-speed), background-color var(--transition-speed);
}

.light-mode input[type="text"] {
    background-color: var(--light-input-bg);
    border-color: var(--light-border);
}

.dark-mode input[type="text"] {
    background-color: var(--dark-input-bg);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--light-accent);
}

.dark-mode input[type="text"]:focus {
    border-color: var(--dark-accent);
}

input[type="file"] {
    flex: 1;
    min-width: 200px;
    padding: 8px;
    border: 1px solid;
    border-radius: var(--border-radius);
    font-family: inherit;
    cursor: pointer;
}

.light-mode input[type="file"] {
    background-color: var(--light-input-bg);
    border-color: var(--light-border);
    color: var(--light-text);
}

.dark-mode input[type="file"] {
    background-color: var(--dark-input-bg);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-speed), transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

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

.dark-mode .btn.primary {
    background-color: var(--dark-accent);
}

.btn.primary:hover {
    background-color: #0b5ed7;
}

.dark-mode .btn.primary:hover {
    background-color: #4e95fd;
}

.btn.fallback {
    background-color: #6c757d;
    color: white;
    margin-left: 5px;
}

.btn.fallback:hover {
    background-color: #5a6268;
}

.dark-mode .btn.fallback {
    background-color: #495057;
}

.dark-mode .btn.fallback:hover {
    background-color: #343a40;
}

#subtitle-info {
    font-size: 0.9rem;
    margin-left: 10px;
}

/* Player Container */
.player-container {
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

#player-wrapper {
    width: var(--player-width);
    height: var(--player-height);
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Ensure fallback container is properly sized and visible */
#fallback-container {
    width: 100%;
    height: 100%;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

#fallback-container video {
    width: 100%;
    height: 100%;
    max-height: var(--player-height);
}

/* Subtitle styling for fallback player */
#fallback-container video::cue {
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    font-family: 'Vazirmatn', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1em;
    line-height: 1.5;
    padding: 0.2em 0.5em;
    border-radius: 0.2em;
}

.custom-subtitle-container {
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 1rem;
    text-align: center;
    max-width: 80%;
    margin: 0 auto;
    bottom: 10%;
    left: 10%;
    width: 80%;
    position: absolute;
    z-index: 10;
    font-family: 'Vazirmatn', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

#legacy-subtitle-display {
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 1rem;
    text-align: center;
    max-width: 80%;
    margin: 0 auto;
    bottom: 10%;
    left: 10%;
    width: 80%;
    position: absolute;
    z-index: 100;
    font-family: 'Vazirmatn', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

#embed-container {
    width: 100%;
    height: 100%;
}

.player-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed);
}

.light-mode .player-placeholder {
    background-color: var(--light-placeholder-bg);
    color: var(--light-text);
}

.dark-mode .player-placeholder {
    background-color: var(--dark-placeholder-bg);
    color: var(--dark-text);
}

.placeholder-content {
    text-align: center;
}

.placeholder-content svg {
    margin-bottom: 15px;
    width: 64px;
    height: 64px;
}

#video-container, #embed-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

#player {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Plyr Customizations */
.plyr {
    --plyr-color-main: var(--light-accent);
    --plyr-video-control-color: #fff;
    --plyr-video-control-background-hover: rgba(0, 0, 0, 0.5);
    height: 100%;
}

.dark-mode .plyr {
    --plyr-color-main: var(--dark-accent);
}

/* Custom CSS for captions control as requested */
.plyr__control[data-plyr="captions"] {
    display: inline-block !important;
    visibility: visible !important;
}

/* Notification */
.notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    max-width: 90%;
    width: auto;
    z-index: 1000;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.notification.show {
    opacity: 1;
    visibility: visible;
}

#close-notification {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 5px;
}

/* Footer */
footer {
    margin-top: auto;
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    border-top: 1px solid;
    border-color: inherit;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

/* Visitor Stats Button */
#visitor-stats-btn {
    background: none;
    border: 1px solid;
    border-color: inherit;
    border-radius: var(--border-radius);
    padding: 5px 10px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color var(--transition-speed);
    font-family: 'Vazirmatn', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.light-mode #visitor-stats-btn {
    background-color: var(--light-input-bg);
}

.dark-mode #visitor-stats-btn {
    background-color: var(--dark-input-bg);
}

#visitor-stats-btn:hover {
    background-color: var(--light-hover);
}

.dark-mode #visitor-stats-btn:hover {
    background-color: var(--dark-hover);
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .controls {
        width: 100%;
        justify-content: flex-end;
    }
    
    .input-section {
        gap: 20px;
    }
    
    .url-input-container, .subtitle-input-container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    label {
        min-width: auto;
        margin-bottom: 5px;
    }
    
    input[type="text"], input[type="file"] {
        width: 100%;
    }
    
    .btn.primary {
        width: 100%;
        margin-top: 10px;
    }
    
    :root {
        --player-width: 100%;
        --player-height: 56.25vw; /* 16:9 aspect ratio (9/16 = 0.5625) */
    }
    
    .player-container {
        margin: 15px 0;
    }
    
    #player-wrapper {
        width: 100%;
        height: var(--player-height);
        max-height: 80vh;
    }
    
    body {
        padding: 0 10px;
    }
    
    .container {
        padding: 10px 0;
    }
}

/* Extra small devices (phones, 480px and down) */
@media (max-width: 480px) {
    :root {
        --player-height: 56.25vw; /* Maintain 16:9 aspect ratio */
    }
    
    #player-wrapper {
        margin: 0 -10px; /* Extend slightly beyond container padding */
        width: calc(100% + 20px);
        border-radius: 0; /* Remove border radius on very small screens */
    }
    
    .player-container {
        margin: 10px 0;
    }
    
    /* Ensure video controls are accessible */
    .plyr__controls {
        padding: 5px !important;
    }
    
    /* Make buttons easier to tap */
    .plyr__control {
        padding: 8px !important;
    }
    
    /* Adjust placeholder for better visibility */
    .placeholder-content svg {
        width: 48px;
        height: 48px;
    }
    
    #placeholder-text {
        font-size: 0.9rem;
    }
    
    /* Improve notification visibility */
    .notification {
        width: 90%;
        padding: 12px 15px;
    }
}

/* RTL and LTR Support */
html[dir="rtl"] {
    text-align: right;
}

html[dir="ltr"] {
    text-align: left;
}

/* Iframe Styling */
#embed-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Visitor Statistics Modal */
.stats-modal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

.stats-modal-content {
    position: relative;
    width: 90%;
    max-width: 500px;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
    transition: background-color var(--transition-speed), color var(--transition-speed);
    font-family: 'Vazirmatn', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.light-mode .stats-modal-content {
    background-color: var(--light-bg);
    color: var(--light-text);
}

.dark-mode .stats-modal-content {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

.stats-modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 8px;
    border-radius: 50%;
    transition: background-color var(--transition-speed);
}

.stats-modal-close:hover {
    background-color: var(--light-hover);
}

.dark-mode .stats-modal-close:hover {
    background-color: var(--dark-hover);
}

.stats-modal-title {
    margin-bottom: 20px;
    font-size: 1.5rem;
    text-align: center;
}

.stats-modal-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.stats-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-speed);
}

.light-mode .stats-item {
    background-color: var(--light-input-bg);
    border: 1px solid var(--light-border);
}

.dark-mode .stats-item {
    background-color: var(--dark-input-bg);
    border: 1px solid var(--dark-border);
}

.stats-label {
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.stats-value {
    font-size: 1.2rem;
    font-weight: bold;
}

@media (max-width: 480px) {
    .stats-modal-stats {
        grid-template-columns: 1fr;
    }
}

/* Make clipboard input look different to indicate it's read-only */
#clipboard-url {
    background-color: rgba(0, 0, 0, 0.05);
}

.dark-mode #clipboard-url {
    background-color: rgba(255, 255, 255, 0.05);
}