:root {
    --bg-color: #ffffff;
    --text-color: #000000;
    --accent-color: #2196F3;
    --border-color: #e0e0e0;
    --card-bg: #f5f5f5;
    --shadow: rgba(0, 0, 0, 0.1);
    --font-size: 18px;
}

[data-theme="light"] {
    --bg-color: #ffffff;
}

[data-theme="light"] html {
    background-color: #ffffff;
}

[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --accent-color: #64B5F6;
    --border-color: #333333;
    --card-bg: #1e1e1e;
    --shadow: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] html {
    background-color: #121212;
}

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

html {
    background-color: var(--bg-color);
    transition: background-color 0.1s;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.1s, color 0.1s;
    font-size: var(--font-size);
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
    padding-top: 0;
}

.main-layout {
    position: relative;
    width: 100%;
}

.menu-toggle {
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    z-index: 1001 !important;
    position: relative;
    cursor: pointer !important;
    pointer-events: auto !important;
}

.menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    display: none;
    z-index: 900;
}

.menu-backdrop.show {
    display: block;
}

.side-menu {
    background: var(--card-bg);
    border-radius: 0 15px 15px 0;
    padding: 80px 20px 20px;
    box-shadow: 0 2px 10px var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 270px;
    transform: translateX(-110%);
    transition: transform 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
}

.side-menu.open {
    transform: translateX(0);
}

body.menu-open {
    overflow: hidden;
}

.side-menu h2 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

.side-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.side-nav a {
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 8px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    transition: all 0.2s;
}

.side-nav a:hover {
    background: var(--accent-color);
    color: #fff;
}

.contacts-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px;
}

.contacts-card h3 {
    margin-bottom: 10px;
    color: var(--accent-color);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 10px;
}

.contact-links a,
.contacts-card a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-links a:hover,
.contacts-card a:hover {
    text-decoration: underline;
}

.content-area {
    width: 100%;
    margin: 0 auto;
}

.menu-controls {
    margin-top: 20px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.menu-controls .font-controls {
    display: flex;
    gap: 10px;
}

.menu-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
}

.menu-toggle-label {
    font-size: 0.95em;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.3;
}

.menu-ios-toggle {
    flex-shrink: 0;
}

.menu-controls .ios-toggle input[type="checkbox"]:checked ~ .ios-toggle-track {
    background: var(--accent-color);
}

[data-theme="dark"] .ios-toggle-track {
    background: #4a4a4a;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.menu-actions {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.menu-action-btn {
    width: 100%;
    justify-content: center;
}

.update-status {
    font-size: 0.85em;
    color: var(--text-color);
    min-height: 1.2em;
    opacity: 0.8;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-top: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--bg-color);
}

/* Вступление при открытии песни */
body.song-page.song-intro-active .container {
    opacity: 0;
    pointer-events: none;
}

body.song-page.song-intro-reveal .container {
    animation: songContentReveal 0.55s ease forwards;
}

@keyframes songContentReveal {
    from {
        opacity: 0;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.song-intro-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color);
    pointer-events: none;
    overflow: hidden;
}

.song-intro-overlay.song-intro-done {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.song-intro-watermarks {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.song-intro-watermarks-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: repeat(7, 1fr);
    padding: 10px;
    box-sizing: border-box;
}

.song-intro-watermarks-grid span {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.7rem, 4.8vw, 2.9rem);
    font-weight: 600;
    line-height: 1;
    color: var(--text-color);
    opacity: 0;
    user-select: none;
    text-transform: lowercase;
    transform: rotate(-32deg);
    animation: songIntroNbcDiagonal 2.6s linear infinite;
}

@keyframes songIntroNbcDiagonal {
    0% {
        transform: rotate(-32deg) translate(-14vw, 12vh);
        opacity: 0;
    }
    18%, 82% {
        opacity: 0.09;
    }
    100% {
        transform: rotate(-32deg) translate(14vw, -12vh);
        opacity: 0;
    }
}

.song-intro-overlay.song-intro-nbc-fly .song-intro-watermarks {
    animation: songIntroWatermarksFade 1.35s ease-in forwards;
}

@keyframes songIntroWatermarksFade {
    0%, 45% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

.song-intro-overlay.song-intro-nbc-fly .song-intro-inner {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.song-intro-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 1.5rem;
    width: min(96vw, 900px);
}

.song-intro-title {
    margin: 0;
    font-size: clamp(1.75rem, 9vw, 3.8rem);
    font-weight: 700;
    line-height: 1.12;
    color: var(--accent-color);
    opacity: 0;
    transition: opacity 0.75s ease;
}

.song-intro-title.is-visible {
    opacity: 1;
}

.song-intro-fly-nbc {
    position: absolute;
    z-index: 2;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.35);
    font-size: clamp(2.8rem, 16vw, 7rem);
    font-weight: 700;
    line-height: 1;
    color: var(--accent-color);
    opacity: 0;
    text-transform: lowercase;
    pointer-events: none;
}

.song-intro-overlay.song-intro-nbc-fly .song-intro-fly-nbc {
    animation: songIntroNbcFlyOut 1.35s ease-in-out forwards;
}

@keyframes songIntroNbcFlyOut {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.55);
        filter: blur(0);
    }
    38% {
        opacity: 0.88;
        transform: translate(-50%, -50%) scale(0.94);
        filter: blur(0);
    }
    58% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
        filter: blur(0);
    }
    78% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(2.1);
        filter: blur(0);
    }
    92% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(2.8);
        filter: blur(0);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(3.2);
        filter: blur(10px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .song-intro-overlay {
        display: none !important;
    }
}

header h1 {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.profile-dropdown {
    position: absolute;
    right: 0;
    top: 110%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    min-width: 180px;
    box-shadow: 0 4px 12px var(--shadow);
    padding: 8px 0;
    display: none;
    z-index: 100;
    color: var(--text-color);
}

.profile-dropdown.show {
    display: block;
}

.profile-name {
    padding: 8px 14px;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

.profile-item {
    width: 100%;
    padding: 8px 14px;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 0.95em;
    color: var(--text-color);
}

.profile-item:hover {
    background: var(--accent-color);
    color: #fff;
}

.tonality-key-text {
    font-weight: 600;
    color: var(--accent-color);
    margin-right: 4px;
}

.favorite-btn {
    min-width: 44px;
}

/* Страница песни: меню | звезда | … | «Назад» у правого края; звезда без «рамки» */
.song-page-header {
    width: 100%;
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
}

.song-page-header .song-back-heading {
    margin-left: auto;
    margin-bottom: 0;
    font-size: clamp(0.95rem, 3.2vw, 1.35rem);
    font-weight: 600;
    text-align: right;
    white-space: nowrap;
}

.song-page-header .song-back-heading .home-link {
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

button.favorite-star-btn,
button.favorite-star-btn.icon-btn {
    min-width: 44px;
    min-height: 44px;
    padding: 0 8px;
    border: none;
    background: transparent;
    box-shadow: none;
    font-size: 1.65rem;
    line-height: 1;
    color: var(--accent-color);
    opacity: 0.92;
}

button.favorite-star-btn:hover,
button.favorite-star-btn.icon-btn:hover {
    background: transparent;
    color: var(--accent-color);
    opacity: 1;
    transform: scale(1.06);
}

button.favorite-star-btn:active,
button.favorite-star-btn.icon-btn:active {
    transform: scale(0.96);
}

.controls {
    display: flex;
    gap: 10px;
}

.icon-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer !important;
    font-size: 16px;
    color: var(--text-color);
    transition: all 0.2s;
    pointer-events: auto !important;
    touch-action: manipulation;
}

.icon-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: scale(1.05);
}

.icon-btn:active {
    transform: scale(0.95);
}

.theme-icon {
    font-size: 20px;
}

.search-container {
    position: relative;
    margin-bottom: 20px;
}

#searchInput {
    width: 100%;
    padding: 12px 15px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--card-bg);
    color: var(--text-color);
    transition: all 0.3s;
}

#searchInput:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-top: 5px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    display: none;
    box-shadow: 0 4px 6px var(--shadow);
}

.search-results.show {
    display: block;
}

.search-result-item {
    padding: 12px 15px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

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

.search-result-item:hover {
    background: var(--accent-color);
    color: white;
}

.song-container {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 2px 10px var(--shadow);
}

.song-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.tonality-info {
    display: none !important;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    justify-content: center;
}

.tonality-info.hidden {
    display: none !important;
    visibility: hidden !important;
    height: 0 !important;
    width: 0 !important;
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
    opacity: 0 !important;
}

.tonality-info:not(.hidden) {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.tonality-label {
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.95em;
}

.tonality-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    flex-wrap: nowrap;
}

.transpose-btn.small {
    padding: 6px 10px;
    font-size: 14px;
    min-width: 32px;
    flex-shrink: 0;
}

.transpose-btn.small:hover,
.transpose-btn.small:active {
    transform: none;
    box-shadow: none;
}

.transpose-btn.reset.small {
    min-width: auto;
    padding: 6px 12px;
    white-space: nowrap;
}

.transpose-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 50px;
}

.transpose-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

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

.transpose-btn.reset {
    background: var(--border-color);
    color: var(--text-color);
    font-size: 14px;
    padding: 8px 15px;
}

.transpose-label {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 2px;
}

.current-key {
    font-weight: 600;
    color: var(--accent-color);
    font-size: 1.05em;
    white-space: nowrap;
}

#songTitle {
    font-size: 1.8em;
    margin-bottom: 25px;
    color: var(--accent-color);
}

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

.song-text {
    white-space: pre-line;
    text-align: left;
    font-size: 1em;
    display: flex;
    flex-direction: column;
    gap: 0;
    line-height: 1.3;
}

.song-section-title {
    margin: 1.8em 0 0.5em;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: var(--accent-color);
    text-align: left;
}

.song-id-container {
    margin-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.song-id {
    font-size: 0.9em;
    color: var(--accent-color);
    font-weight: 500;
}

.song-id-under-title {
    margin-top: 6px;
    margin-bottom: 12px;
    font-size: 0.9em;
    color: var(--accent-color);
    text-align: center;
}

.song-actions-menu {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.action-btn {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #1976D2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.05em;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.35);
    text-decoration: none;
    min-width: 140px;
    font-family: inherit;
}

.action-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.5);
    background: linear-gradient(135deg, #1E88E5 0%, #1565C0 100%);
}

.action-btn:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.4);
}

.site-footer {
    text-align: center;
    padding: 25px 15px 20px;
    color: var(--text-color);
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

.site-footer-copy {
    line-height: 1.4;
}

.footer-moderator-link {
    display: inline-block;
    margin-top: 6px;
    padding: 0;
    border: none;
    background: none;
    font: inherit;
    font-size: 0.82em;
    color: var(--accent-color);
    text-decoration: none;
    cursor: pointer;
    opacity: 0.88;
}

.footer-moderator-link:hover {
    opacity: 1;
}

.feedback-modal-content {
    max-width: 520px;
}

.feedback-modal-hint {
    margin: 0 0 12px;
    font-size: 0.92em;
    opacity: 0.85;
    color: var(--text-color);
}

.feedback-song-context {
    margin-bottom: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    font-size: 0.9em;
    color: var(--accent-color);
}

.feedback-textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    font: inherit;
    resize: vertical;
    box-sizing: border-box;
}

.feedback-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.feedback-error {
    margin-top: 8px;
    color: #e53935;
    font-size: 0.9em;
}

.feedback-actions {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.admin-feedback-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-feedback-item {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px;
    background: var(--bg-color);
}

.admin-feedback-item.is-done {
    opacity: 0.72;
}

.admin-feedback-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    font-size: 0.85em;
    opacity: 0.85;
    margin-bottom: 8px;
}

.admin-feedback-message {
    white-space: pre-wrap;
    line-height: 1.45;
    margin-bottom: 10px;
}

.admin-feedback-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-feedback-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.78em;
    font-weight: 600;
}

.admin-feedback-badge.new {
    background: rgba(33, 150, 243, 0.15);
    color: var(--accent-color);
}

.admin-feedback-badge.done {
    background: rgba(76, 175, 80, 0.15);
    color: #43a047;
}

.site-footer a {
    color: inherit;
}

.song-text .chord {
    color: var(--accent-color);
    font-weight: bold;
    font-size: 0.9em;
    vertical-align: super;
    margin: 0 2px;
}

/* Аккорды над строками */
.song-line {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.08em;
}

.song-text .chord-line {
    color: var(--accent-color);
    font-weight: bold;
    font-size: 0.9em;
    margin-bottom: 0.05em;
    margin-top: 0;
    min-height: auto;
    line-height: 1.1;
    transition: opacity 0.3s;
}

.song-text .chord-line.hidden {
    display: none;
}

.song-text .chord-item {
    margin-right: 0.4em;
    display: inline-block;
    white-space: nowrap;
}

.song-text .chord-item:last-child {
    margin-right: 0;
}

.song-text .text-line {
    line-height: 1.3;
    margin: 0;
    padding: 0;
    min-height: auto;
}

.song-line.empty {
    height: 0;
    margin-bottom: 0.2em;
}

.song-line {
    margin-bottom: 0;
    min-height: 0;
}

.chords-toggle {
    background: var(--accent-color);
    color: white;
}

/* Адаптивность для мобильных устройств */
@media (max-width: 600px) {
    .container {
        padding: 10px;
        padding-top: 0;
    }

    header {
        padding-top: 10px;
        flex-direction: row;
        gap: 10px;
        align-items: center;
        justify-content: space-between;
    }

    header h1 {
        font-size: 1.2rem;
    }

    .header-left {
        width: auto;
        justify-content: flex-start;
        flex: 1;
    }

    .header-left.song-page-header {
        width: 100%;
        max-width: 100%;
    }

    .controls {
        display: flex !important;
    }

    .song-controls {
        gap: 10px;
    }

    .transpose-btn {
        padding: 8px 15px;
        font-size: 14px;
    }

    #songTitle {
        font-size: 1.4em;
    }

    .song-link {
        padding: 2px 4px !important;
        font-size: 0.9em !important;
        min-height: auto !important;
        line-height: 1.3 !important;
    }

    .song-item {
        margin-bottom: 3px !important;
        padding-bottom: 3px !important;
    }

    .song-number {
        margin-right: 8px !important;
        min-width: 25px !important;
        font-size: 0.9em !important;
    }

    .tonality-info.hidden {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        width: 0 !important;
        overflow: hidden !important;
        margin: 0 !important;
        padding: 0 !important;
        opacity: 0 !important;
    }

    .menu-toggle {
        z-index: 1001 !important;
        cursor: pointer !important;
        pointer-events: auto !important;
    }
}

@media (min-width: 1024px) {
    .main-layout {
        display: flex;
        gap: 25px;
        align-items: flex-start;
    }

    .side-menu {
        position: sticky;
        top: var(--sticky-sidebar-top, 88px);
        max-height: calc(100vh - var(--sticky-sidebar-top, 88px) - 16px);
        overflow-y: auto;
        border-radius: 15px;
        transform: none;
        width: 260px;
        padding: 20px;
        height: max-content;
        align-self: flex-start;
        scrollbar-width: thin;
    }

    #menuToggle {
        display: none;
    }

    .menu-backdrop {
        display: none !important;
    }

    body.menu-open {
        overflow: auto;
    }

    .content-area {
        flex: 1;
    }
    
    .song-container {
        width: 100%;
    }
}

/* Стили для установки PWA */
.install-prompt {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: white;
    padding: 15px 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px var(--shadow);
    display: none;
    z-index: 1000;
    max-width: 90%;
}

.install-prompt.show {
    display: block;
}

.install-prompt button {
    background: white;
    color: var(--accent-color);
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    margin-left: 10px;
    cursor: pointer;
    font-weight: bold;
}

/* Список песен */
.songs-list {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 2px 10px var(--shadow);
}

.songs-list h2 {
    margin-bottom: 20px;
    color: var(--accent-color);
    font-size: 1.5rem;
}

.songs-list-items {
    list-style: none;
    padding: 0;
}

.song-item {
    margin-bottom: 3px !important;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 3px !important;
}

.song-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.song-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    padding: 2px 4px !important;
    border-radius: 3px;
    transition: all 0.2s;
    font-size: 0.9em !important;
    min-height: auto !important;
    line-height: 1.3 !important;
}

.song-link:hover {
    background: var(--accent-color);
    color: white;
    transform: translateX(5px);
}

.song-number {
    font-weight: bold;
    margin-right: 8px !important;
    min-width: 25px !important;
    color: var(--accent-color);
    font-size: 0.9em !important;
}

.song-link:hover .song-number {
    color: white;
}

.song-fav-date {
    font-size: 0.85em;
    opacity: 0.85;
    margin-right: 10px;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.song-title {
    flex: 1;
}

.home-link {
    text-decoration: none;
    color: var(--accent-color);
    transition: all 0.2s;
}

.home-link:hover {
    opacity: 0.8;
}

.empty-message {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-color);
    opacity: 0.7;
}

/* Админ-панель */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 12px var(--shadow);
}

.login-container h1 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--accent-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

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

.btn-update {
    background: #ff9800 !important; /* Оранжевый для привлечения внимания */
    font-size: 1.25rem !important;
    padding: 16px !important;
    box-shadow: 0 0 15px rgba(255, 152, 0, 0.5) !important;
    animation: pulse-orange 2s infinite;
}

@keyframes pulse-orange {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.btn-secondary {
    padding: 12px 20px;
    background: var(--border-color);
    color: var(--text-color);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--accent-color);
    color: white;
}

.error-message {
    color: #f44336;
    margin-top: 10px;
    display: none;
    text-align: center;
}

.auth-page {
    max-width: 480px;
    margin: 40px auto;
    background: var(--card-bg);
    padding: 30px 24px;
    border-radius: 16px;
    box-shadow: 0 6px 20px var(--shadow);
}

.auth-favorite-notice {
    margin-bottom: 20px;
    padding: 14px 16px;
    border-radius: 12px;
    border: 2px solid var(--accent-color);
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 0.98em;
    line-height: 1.45;
    text-align: center;
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.auth-switch {
    margin-top: 16px;
    text-align: center;
    font-size: 0.95em;
}

.auth-switch span {
    display: inline-block;
    margin-right: 4px;
}

.link-button {
    background: transparent;
    border: 1px solid var(--accent-color);
    padding: 6px 10px;
    color: var(--accent-color);
    cursor: pointer;
    font: inherit;
    border-radius: 999px;
}

.link-button:hover {
    background: var(--accent-color);
    color: #fff;
}

.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s;
}

.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.back-link {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: var(--accent-color);
    text-decoration: none;
}

.back-link:hover {
    text-decoration: underline;
}

.admin-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.admin-section {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 2px 10px var(--shadow);
}

.admin-section h2 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

.chords-hint {
    background: var(--bg-color);
    border: 1px solid var(--accent-color);
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.chords-hint small {
    color: var(--accent-color);
    font-weight: 500;
}

.chords-mode-hint {
    background: var(--bg-color);
    border: 2px solid var(--accent-color);
    border-radius: 8px;
    padding: 10px;
    margin-top: 10px;
    margin-bottom: 15px;
}

.chords-mode-hint small {
    color: var(--accent-color);
    font-weight: 500;
}

.btn-add.active {
    background: #4CAF50;
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

.part-text-container {
    position: relative;
}

.chords-preview {
    margin-top: 10px;
    padding: 10px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.9em;
}

.chords-preview .chord-line {
    display: flex;
    align-items: center;
    padding: 4px;
    margin: 2px 0;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.chords-preview .chord-line:hover {
    background: var(--card-bg);
}

.chords-preview .chord-display {
    min-width: 60px;
    color: var(--accent-color);
    font-weight: bold;
    margin-right: 10px;
}

.chords-preview .chord-display.empty {
    color: var(--border-color);
    font-style: italic;
}

.chords-preview .chord-display.empty::before {
    content: '[кликните для добавления]';
    font-size: 0.8em;
}

.chords-preview .text-display {
    flex: 1;
}

.song-editor {
    margin-top: 15px;
}

.song-parts {
    margin-bottom: 20px;
}

.song-part {
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

.part-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.part-label {
    font-weight: bold;
    color: var(--accent-color);
}

.btn-remove {
    background: #f44336;
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.btn-remove:hover {
    transform: scale(1.1);
    background: #d32f2f;
}

.part-text {
    width: 100%;
    min-height: 80px;
    resize: vertical;
    font-family: inherit;
}

.chords-input {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    font-family: monospace;
}

.chords-help {
    margin-top: 8px;
    color: var(--text-color);
    opacity: 0.7;
}

.editor-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.btn-add {
    padding: 10px 15px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-add:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.form-actions .btn-primary {
    flex: 1;
}

.admin-songs-list {
    max-height: 500px;
    overflow-y: auto;
}

.admin-song-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.admin-song-item:hover {
    background: var(--bg-color);
}

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

.song-info {
    flex: 1;
}

.song-actions {
    display: flex;
    gap: 10px;
}

.btn-small {
    padding: 6px 12px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-small:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px var(--shadow);
}

.btn-small.btn-danger {
    background: #f44336;
}

.btn-small.btn-danger:hover {
    background: #d32f2f;
}

.admin-users-wrap {
    overflow-x: auto;
}

.admin-users-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.admin-users-table th,
.admin-users-table td {
    border: 1px solid var(--border-color);
    padding: 10px 12px;
    text-align: left;
    vertical-align: middle;
}

.admin-users-table th {
    background: var(--card-bg);
}

.admin-users-actions {
    white-space: nowrap;
}

.admin-user-form {
    max-width: 520px;
}

/* Модальное окно */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal.show {
    display: block;
}

.modal-content {
    background-color: var(--card-bg);
    margin: 5% auto;
    padding: 30px;
    border-radius: 15px;
    max-width: 700px;
    width: 90%;
    box-shadow: 0 4px 20px var(--shadow);
    position: relative;
}

.modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s;
}

.modal-close:hover {
    color: var(--accent-color);
    transform: scale(1.2);
}

.preview-content {
    margin-top: 20px;
}

.preview-content h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
}

/* Стили для модального окна печати */
.print-modal-content {
    max-width: 900px;
}

.print-options {
    margin: 20px 0;
    padding: 25px;
    background: var(--bg-color);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.print-option-group {
    margin-bottom: 20px;
}

.print-row {
    display: flex;
    align-items: baseline;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-start;
    min-height: 30px;
}

.print-row-title {
    font-size: 1.05em;
    font-weight: 600;
    color: var(--text-color);
    margin-right: 4px;
    line-height: 30px;
    display: inline-flex;
    align-items: center;
    height: 30px;
    padding: 0;
}

.print-row-tonality {
    display: flex;
    align-items: center;
    gap: 12px;
}

.print-row-tonality-label {
    font-size: 1.02em;
    color: var(--text-color);
    font-weight: 500;
}

.print-option-group label {
    display: block;
    margin-bottom: 0;
    font-weight: 500;
    color: var(--text-color);
}

/* Toggle Switch */
.ios-toggle {
    position: relative;
    width: 52px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    transform: translateY(0);
    align-self: center;
}

.ios-toggle input[type="checkbox"] {
    display: none;
}

.ios-toggle-track {
    position: absolute;
    inset: 0;
    background: #cfcfcf;
    border-radius: 999px;
    transition: background 0.2s ease;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.ios-toggle-thumb {
    position: absolute;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #ffffff;
    left: 2px;
    top: 2px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

.ios-toggle input[type="checkbox"]:checked ~ .ios-toggle-track {
    background: #34C759;
}

.ios-toggle input[type="checkbox"]:checked ~ .ios-toggle-thumb {
    transform: translateX(22px);
}

/* Тональность */
.tonality-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--card-bg);
    padding: 6px 10px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.tonality-btn {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 8px;
    background: var(--accent-color);
    color: white;
    font-size: 1.2em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tonality-btn:hover {
    background: #1976D2;
    transform: scale(1.1);
}

.tonality-btn:active {
    transform: scale(0.95);
}

.tonality-value {
    min-width: 2.75em;
    text-align: center;
    font-size: 1.2em;
    font-weight: 700;
    color: var(--accent-color);
}

/* Предпросмотр печати всегда «как бумага», иначе в тёмной теме аккорды (#111) сливались с фоном */
.print-preview {
    margin: 20px 0;
    padding: 20px;
    background: #ffffff !important;
    border: 1px solid #bdbdbd;
    border-radius: 10px;
    min-height: 400px;
    max-height: 600px;
    overflow-y: auto;
    font-family: inherit;
    color: #1a1a1a !important;
}

[data-theme="dark"] .print-preview {
    background: #ffffff !important;
    color: #1a1a1a !important;
    border-color: #bdbdbd;
}

.print-preview-title {
    text-align: center;
    margin-bottom: 12px;
    color: #111 !important;
}

.print-preview-title h3 {
    margin: 0;
    color: #111 !important;
}

.print-preview-chord-line {
    font-weight: 700;
    font-size: 0.95em;
    margin-bottom: 3px;
    color: #1565c0 !important;
    line-height: 1.3;
    min-height: 1.2em;
}

.print-preview-text-line {
    margin-bottom: 6px;
    line-height: 1.4;
    color: #1a1a1a !important;
    font-weight: normal;
}

.print-preview-section-label {
    font-weight: 700;
    margin-top: 10px;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #111 !important;
}

.print-preview-spacer {
    height: 8px;
}

.print-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.print-action-btn {
    padding: 15px 30px;
    font-size: 1.1em;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 180px;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.print-action-btn.download-btn {
    background: linear-gradient(135deg, #4CAF50 0%, #388E3C 100%);
    color: white;
}

.print-action-btn.download-btn:hover {
    background: linear-gradient(135deg, #45a049 0%, #2E7D32 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(76, 175, 80, 0.4);
}

.print-action-btn.print-btn {
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    color: white;
}

.print-action-btn.print-btn:hover {
    background: linear-gradient(135deg, #1E88E5 0%, #1565C0 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(33, 150, 243, 0.4);
}

.print-action-btn.share-btn {
    background: linear-gradient(135deg, #FF9800 0%, #F57C00 100%);
    color: white;
}

.pdf-loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(2px);
}

.pdf-loading-overlay.show {
    display: flex;
}

.pdf-loading-content {
    background: #111111;
    color: #ffffff;
    padding: 24px 28px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    text-align: center;
    min-width: 220px;
}

.pdf-loading-spinner {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: #34C759;
    animation: pdfSpin 0.9s linear infinite;
    margin: 0 auto 12px;
}

.pdf-loading-text {
    font-size: 1rem;
    font-weight: 600;
}

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

.print-action-btn.share-btn:hover {
    background: linear-gradient(135deg, #FB8C00 0%, #E65100 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 152, 0, 0.4);
}

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

.preview-text {
    white-space: pre-line;
    line-height: 2;
    font-size: 1em;
}

.preview-text .chord {
    color: var(--accent-color);
    font-weight: bold;
    font-size: 0.9em;
    vertical-align: super;
    margin: 0 2px;
}

/* Адаптивность для админ-панели */
@media (max-width: 600px) {
    .login-container {
        margin: 50px auto;
        padding: 25px;
    }

    .editor-buttons {
        flex-direction: column;
    }

    .btn-add {
        width: 100%;
    }

    .form-actions {
        flex-direction: column;
    }

    .admin-song-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .song-actions {
        width: 100%;
        justify-content: space-between;
    }

    .song-actions .btn-small {
        flex: 1;
        text-align: center;
    }

    .modal-content {
        margin: 10% auto;
        padding: 20px;
    }
}

/* Создание сборника */
.songbook-modal {
    z-index: 2100;
}

.songbook-modal-content {
    max-width: 760px;
    width: min(94vw, 760px);
}

.songbook-modal-hint {
    margin: 0 0 14px;
    font-size: 0.92em;
    opacity: 0.85;
    color: var(--text-color);
}

.songbook-toolbar {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
}

.songbook-search {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    font: inherit;
    box-sizing: border-box;
}

.songbook-toolbar-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.songbook-tool-btn {
    padding: 8px 12px;
    font-size: 0.9em;
}

.songbook-list {
    max-height: min(52vh, 420px);
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-color);
    padding: 8px;
    margin-bottom: 14px;
}

.songbook-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.songbook-item:hover {
    background: rgba(33, 150, 243, 0.08);
}

.songbook-checkbox {
    margin-top: 3px;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.songbook-item-number {
    flex-shrink: 0;
    min-width: 2.2em;
    opacity: 0.7;
    font-variant-numeric: tabular-nums;
}

.songbook-item-title {
    flex: 1;
    line-height: 1.35;
}

.songbook-empty {
    margin: 0;
    padding: 24px 12px;
    text-align: center;
    opacity: 0.75;
}

.songbook-footer {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.songbook-chords-option {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95em;
    cursor: pointer;
}

.songbook-selected-count {
    font-size: 0.95em;
    font-weight: 600;
    color: var(--accent-color);
}

.songbook-footer-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.songbook-footer-actions .btn-primary,
.songbook-footer-actions .btn-secondary {
    flex: 1;
    min-width: 140px;
}

@media (min-width: 640px) {
    .songbook-toolbar {
        flex-direction: row;
        align-items: center;
    }

    .songbook-search {
        flex: 1;
    }

    .songbook-footer {
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
    }

    .songbook-footer-actions {
        margin-left: auto;
        flex: 0 0 auto;
    }
}