/**
 * ============================================
 * استایل اصلی سایت - آهنگ دوستی نسخه ۲.۰
 * ============================================
 * 
 * تمام استایل‌های پروژه در این فایل جمع شدن.
 * دیگه CSS توی فایل‌های PHP تکرار نمیشه.
 */

/* ============================================
   ۱. متغیرها و تنظیمات پایه
   ============================================ */
:root {
    --primary: #7c6ff7;
    --secondary: #a29bfe;
    --dark: #0f0f1a;
    --card: #1a1a2e;
    --accent: #fd79a8;
    --shadow: 0 8px 32px rgba(0,0,0,0.3);
    --radius: 16px;
    --code-bg: #1e1e2e;
    --font-main: 'Segoe UI', Tahoma, system-ui;
    --font-code: 'Cascadia Code', 'Fira Code', 'Courier New', monospace;
}

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

body {
    font-family: var(--font-main);
    background: var(--dark);
    min-height: 100vh;
    color: #e0e0e0;
    padding-bottom: 120px;
}

/* ============================================
   ۲. هدر بالای سایت
   ============================================ */
.top-header {
    background: rgba(15,15,26,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header-back {
    color: #bbb;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}
.header-back:hover { color: #fff; }

.header-logo {
    font-size: 20px;
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
}
.header-logo-sub { color: var(--accent); font-size: 14px; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.header-btn {
    width: 38px; height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15);
    background: transparent;
    color: #bbb;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}
.header-btn:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border-color: rgba(255,255,255,0.3);
}

/* ============================================
   ۳. منوی کشویی هدر
   ============================================ */
.header-dropdown { position: relative; }

.dropdown-menu {
    position: absolute;
    top: 48px;
    left: 0;
    background: #1e1e38;
    border-radius: 14px;
    padding: 12px 0;
    min-width: 250px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.08);
    display: none;
    z-index: 200;
}
.dropdown-menu.active { display: block; }

.dropdown-title {
    padding: 10px 18px;
    font-weight: 700;
    color: #fff;
    font-size: 14px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.dropdown-phone {
    padding: 10px 18px;
    font-size: 13px;
    color: #bbb;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    direction: ltr;
    text-align: right;
}
.dropdown-logout {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 18px;
    color: #e74c3c;
    text-decoration: none;
    font-size: 13px;
    transition: background 0.2s;
}
.dropdown-logout:hover { background: rgba(231,76,60,0.1); }
.dropdown-create { padding: 8px 10px; border-top: 1px solid rgba(255,255,255,0.06); }
.dropdown-create input {
    width: 100%;
    padding: 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: #fff;
    font-size: 12px;
    margin-bottom: 6px;
}
.dropdown-create button {
    width: 100%;
    padding: 8px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 12px;
    cursor: pointer;
}

/* ============================================
   ۴. پلیر
   ============================================ */
.player-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #12121f;
    z-index: 9998;
    display: none;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.player-bar.active { display: block; }

.progress-wrapper { padding: 12px 16px 2px; }

.progress-outer {
    height: 4px;
    background: rgba(255,255,255,0.08);
    border-radius: 10px;
    cursor: pointer;
    direction: ltr;
    position: relative;
}
.progress-outer:hover { height: 6px; }

.progress-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    width: 0%;
    border-radius: 10px;
    pointer-events: none;
    transition: width 0.1s linear;
}

.progress-thumb {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}
.progress-outer:hover .progress-thumb,
.progress-outer.dragging .progress-thumb { opacity: 1; }

.time-tooltip {
    position: absolute;
    top: -8px;
    transform: translate(-50%, -100%);
    background: #fff;
    color: #000;
    padding: 5px 10px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    font-family: monospace;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    z-index: 10;
}
.time-tooltip::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0; height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #fff;
}
.time-tooltip.visible { opacity: 1; }

.player-body {
    display: flex;
    align-items: center;
    padding: 6px 16px 10px;
    gap: 12px;
    max-width: 1300px;
    margin: 0 auto;
}

.player-cover-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,0.1);
    flex-shrink: 0;
}

.player-info { flex: 1; min-width: 0; }
.player-title {
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.player-info-row { display: flex; align-items: center; gap: 8px; }
.player-artist { color: #888; font-size: 11px; }
.player-time { color: #777; font-size: 11px; font-family: monospace; }
.player-time span { color: #ccc; }

.player-actions { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }

.ctrl-btn {
    background: none;
    border: none;
    color: #bbb;
    font-size: 16px;
    padding: 6px;
    border-radius: 50%;
    cursor: pointer;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.ctrl-btn:hover { color: #fff; background: rgba(255,255,255,0.06); }
.ctrl-btn.play {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-size: 17px;
    width: 38px;
    height: 38px;
}
.ctrl-btn.skip {
    border: 1px solid rgba(255,255,255,0.12);
    font-size: 10px;
    font-weight: 700;
    color: #888;
}
.ctrl-btn.skip:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(108,92,231,0.1);
}

/* ============================================
   ۵. کارت آهنگ
   ============================================ */
.container { max-width: 1300px; margin: 0 auto; padding: 10px 20px 30px; }

.songs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    padding: 10px 0;
}

.song-card {
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid rgba(255,255,255,0.04);
}
.song-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}
.song-card.playing-active {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(253,121,168,0.3);
}

.playing-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--accent);
    color: #fff;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    z-index: 10;
    display: none;
}
.song-card.playing-active .playing-badge { display: block; }

.card-cover {
    position: relative;
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    cursor: pointer;
}
.card-cover::before {
    content: '';
    position: absolute;
    inset: -20px;
    background-image: inherit;
    background-size: cover;
    background-position: center;
    filter: blur(30px) brightness(0.3) saturate(1.5);
    z-index: 0;
}
.card-cover img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    position: relative;
    z-index: 2;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    transition: opacity 0.5s ease, transform 0.5s ease;
    opacity: 0;
}
.card-cover img.loaded { opacity: 1; }
.song-card:hover .card-cover img { transform: scale(1.05); }

.card-info { padding: 14px 16px 10px; }
.card-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.card-artist { color: #888; font-size: 12px; margin-bottom: 10px; }
.card-artist a { color: var(--primary); text-decoration: none; }
.card-artist a:hover { text-decoration: underline; }

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.badge {
    background: rgba(108,92,231,0.2);
    color: var(--secondary);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 10px;
}
.duration { color: #777; font-size: 11px; }

.card-actions { display: flex; gap: 6px; padding: 0 16px 14px; }
.card-play-btn {
    width: 34px; height: 34px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
}
.card-play-btn:hover { transform: scale(1.1); }
.card-download-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 9px;
    background: rgba(255,255,255,0.04);
    color: #bbb;
    border: none;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}
.card-download-btn:hover { background: rgba(255,255,255,0.1); color: #fff; }
.card-playlist-btn {
    width: 34px; height: 34px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.1);
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    background: transparent;
    color: #777;
}
.card-playlist-btn:hover {
    background: rgba(108,92,231,0.2);
    color: var(--primary);
    border-color: var(--primary);
}

/* ============================================
   ۶. کتگوری‌ها
   ============================================ */
.category-bar {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 20px 20px 10px;
    flex-wrap: wrap;
    max-width: 1300px;
    margin: 0 auto;
}
.cat-chip {
    padding: 10px 22px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s;
    color: #888;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    gap: 7px;
}
.cat-chip:hover { background: rgba(255,255,255,0.08); color: #fff; }
.cat-chip.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ============================================
   ۷. پلی‌لیست‌های ویژه (اسکرولی)
   ============================================ */
.playlists-scroll {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    padding-bottom: 15px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.pl-card {
    min-width: 180px;
    max-width: 180px;
    background: var(--card);
    border-radius: 14px;
    padding: 15px;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.06);
    scroll-snap-align: start;
    transition: all 0.3s;
    flex-shrink: 0;
}
.pl-card:hover { border-color: var(--primary); }
.pl-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    margin-bottom: 12px;
}
.pl-card-cell {
    aspect-ratio: 1;
    background: rgba(255,255,255,0.06);
    border-radius: 8px;
    overflow: hidden;
}
.pl-card-cell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.pl-card-name {
    color: #fff;
    font-weight: 600;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pl-card-desc {
    color: #888;
    font-size: 11px;
    margin-top: 3px;
}

/* ============================================
   ۸. صفحه آهنگ
   ============================================ */
.song-detail {
    background: var(--card);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    max-width: 550px;
    width: 100%;
    border: 1px solid rgba(255,255,255,0.06);
    animation: fadeUp 0.5s ease;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.cover-section {
    background-color: #1a1a3e;
    height: 280px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cover-section::before {
    content: '';
    position: absolute;
    inset: -20px;
    background-image: inherit;
    background-size: cover;
    background-position: center;
    filter: blur(30px) brightness(0.3) saturate(1.5);
    z-index: 0;
}
.cover-section img {
    position: relative;
    z-index: 2;
    width: 190px;
    height: 190px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 10px 35px rgba(0,0,0,0.6);
    border: 3px solid rgba(255,255,255,0.1);
}
.cover-section.playing img {
    animation: coverSpin 12s linear infinite;
    border-color: var(--primary);
}
.cover-section.paused img { animation-play-state: paused; }

@keyframes coverSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.play-btn-section {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--card);
    position: relative;
}

.play-btn-main {
    width: 70px; height: 70px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-size: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 8px 30px rgba(108,92,231,0.5);
    position: relative;
    z-index: 2;
    animation: playPulse 2s ease-in-out infinite;
}

.play-btn-section::before {
    content: '';
    position: absolute;
    width: 85px; height: 85px;
    border-radius: 50%;
    background: rgba(108,92,231,0.15);
    animation: ringPulse 2s ease-in-out infinite;
    z-index: 1;
}

@keyframes playPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 8px 30px rgba(108,92,231,0.5); }
    50% { transform: scale(1.08); box-shadow: 0 12px 40px rgba(253,121,168,0.7); }
}
@keyframes ringPulse {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.3); opacity: 0; }
}

.info-section { padding: 25px 30px 30px; text-align: center; }
.info-section h1 { font-size: 24px; margin-bottom: 8px; color: #fff; font-weight: 800; }
.info-section .artist { font-size: 16px; color: #999; margin-bottom: 15px; }
.info-section .artist a { color: var(--primary); text-decoration: none; }
.info-section .description { color: #888; line-height: 1.8; margin-bottom: 20px; font-size: 14px; }

.meta {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}
.meta-item {
    background: rgba(255,255,255,0.06);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 12px;
    color: #bbb;
    border: 1px solid rgba(255,255,255,0.08);
}

.btn-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 14px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 6px 20px rgba(108,92,231,0.3);
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}
.download-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(108,92,231,0.5); }

.playlist-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.04);
    color: #ccc;
    padding: 14px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.12);
    cursor: pointer;
    transition: all 0.3s;
}
.playlist-btn:hover { background: rgba(108,92,231,0.15); border-color: var(--primary); color: #fff; }

/* ============================================
   ۹. پلی‌لیست (صفحه)
   ============================================ */
.hero-admin {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 30px;
    height: 280px;
    display: flex;
    align-items: flex-end;
    background-size: cover;
    background-position: center;
}
.hero-admin::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.2) 100%);
    z-index: 1;
}
.hero-admin .hero-info {
    position: relative;
    z-index: 2;
    padding: 20px 25px;
    width: 100%;
    display: flex;
    align-items: flex-end;
    gap: 15px;
}
.hero-admin .hero-cover {
    width: 110px; height: 110px;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
    flex-shrink: 0;
    border: 2px solid rgba(255,255,255,0.15);
}
.hero-admin .hero-text h1 {
    font-size: 16px;
    color: #fff;
    display: inline-block;
    padding: 4px 18px;
    background: rgba(0,0,0,0);
    backdrop-filter: blur(5px);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.08);
}

.hero-user {
    background: var(--card);
    border-radius: 20px;
    padding: 25px;
    text-align: center;
    margin-bottom: 30px;
    border: 1px solid rgba(255,255,255,0.06);
}

.song-list { display: flex; flex-direction: column; gap: 8px; }

.song-item {
    background: var(--card);
    border-radius: 14px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    border: 1px solid rgba(255,255,255,0.04);
    transition: all 0.25s;
    cursor: pointer;
    position: relative;
}
.song-item:hover { background: #222240; transform: translateX(-3px); }
.song-item.playing {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(108,92,231,0.15);
}
.song-item.playing::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
    border-radius: 0 14px 14px 0;
}

/* ============================================
   ۱۰. مودال
   ============================================ */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    backdrop-filter: blur(5px);
    background: rgba(0,0,0,0.4);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.modal.active { display: flex; }

.modal-content {
    background: rgba(30,30,50,0.85);
    backdrop-filter: blur(15px);
    padding: 30px 25px;
    border-radius: 20px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    animation: modalPop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalPop {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-content h2 { margin-bottom: 5px; font-size: 20px; }
.modal-content p { color: #aaa; font-size: 13px; margin: 10px 0 20px; }
.modal-content input {
    width: 100%;
    padding: 14px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    color: #fff;
    font-size: 16px;
    text-align: center;
    margin-bottom: 12px;
}
.modal-content input:focus { outline: none; border-color: var(--primary); }

.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
}
.btn-cancel {
    width: 100%;
    padding: 12px;
    background: transparent;
    color: #888;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    font-size: 13px;
    cursor: pointer;
    margin-top: 8px;
}

/* ============================================
   ۱۱. توست و نوتیفیکیشن
   ============================================ */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    z-index: 99999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}
.toast.show { opacity: 1; }

/* ============================================
   ۱۲. فوتر
   ============================================ */
.site-footer {
    text-align: center;
    padding: 20px;
    color: #555;
    font-size: 12px;
}

/* ============================================
   ۱۳. ریسپانسیو
   ============================================ */
@media (max-width: 768px) {
    .songs-grid { grid-template-columns: 1fr; gap: 15px; }
    .card-cover { height: 180px; }
    .card-cover img { max-width: 70%; max-height: 70%; }
    .cover-section { height: 220px; }
    .cover-section img { width: 140px; height: 140px; }
    .play-btn-main { width: 54px; height: 54px; font-size: 20px; }
    .hero-admin { height: 200px; }
    .hero-admin .hero-cover { width: 70px; height: 70px; }
    .song-item { padding: 10px 12px; gap: 10px; }
}