@import url('https://fonts.googleapis.com/css2?family=Cascadia+Code:ital,wght@0,200..700;1,200..700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&display=swap');


:root {
    --bg: #0a0a0c;
    --bg-shadow: #060607;
    --card: #18181f;
    --card-env: #24222e75;
    --border: #2a2a35;

    --text: #e8e8f0;
    --accent: #2c2a36;
    --accent2: #696188;

    --muted: #555566;
    --subtext: #8888a0;

    --correct: #47ffb0;
    --skip: #ee8700;
    --wrong: #ff4f4f;

    --radius: 12px;
    --gap: 20px;
    --album-size: 90px;
}

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

html, body {
    color: var(--text);
    font-family: 'Cascadia Code', monospace;
    overflow: hidden;
}

body {
    display: flex;
    flex-direction: column;
    background: var(--bg);
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

.bg{
    position: absolute;
    top: 0; left: 0;
    inset: 0;
    z-index: -1;
    width: 100%; height: 100%;
    background: var(--bg);
    background-image: url(/temp/bg2.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-blend-mode: overlay;
    filter: blur(1px) saturate(70%);
    animation: fadeIn cubic-bezier(0.23, 1, 0.320, 1) 1s;
    transition: background cubic-bezier(0.23, 1, 0.320, 1) 500ms;
    overflow: hidden;
}


.main {
    display: flex;
    flex-direction: column;
    width: 50%;
    overflow: hidden;
    padding: 30px;
    gap: var(--gap);
    animation: fadeIn cubic-bezier(0.23, 1, 0.320, 1) 2s;
}

.header_wrapper {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--gap);
}

.header_wrapper .song_image {
    width: var(--album-size);
    height: var(--album-size);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    flex-shrink: 0;
    transition: background-image 0.4s ease;
}

.contents_wrapper {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 100%;
}

.title_label {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
    flex-wrap: nowrap;
}

.title_label .dot {
    width: 12px;
    height: 12px;
    margin-right: 12px;
    border-radius: 50%;
    background: var(--accent2);
    animation: pulse 2s cubic-bezier(0.23, 1, 0.320, 1) 500ms infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.title_label span {
    font-size: 0.55rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text);
}

.top_card {
    display: flex;
    flex-direction: row;
    gap: var(--gap);
    width: 100%;
    justify-content: space-between;
}

.top_card > div {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 10px 40px;
    border-radius: var(--radius);
    align-content: center;
}

.top_card .title_label { width: 100%; }

.top_card .scorebar {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.player_card {
    padding: 10px 0;
    align-content: center;
}

.form_wrapper {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.field label {
    font-size: 0.6rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--subtext);
}

.field input {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: 'Cascadia Code', monospace;
    font-size: 0.9rem;
    padding: 11px 14px;
    outline: none;
    transition: cubic-bezier(0.23, 1, 0.320, 1) 500ms;
    width: 100%;
}

.field input:hover { border-color: var(--accent2); scale: 101%; }
.field input:focus { border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(105,97,136,0.15); scale: 102%; }
.field input.correct { color: var(--correct); border-color: var(--correct); box-shadow: 0 0 0 3px rgba(71,255,176,0.1); }
.field input.wrong { color: var(--wrong); border-color: var(--wrong); box-shadow: 0 0 0 3px rgba(255,79,79,0.1); }

.field_hint { font-size: 0.6rem; letter-spacing: 0.08em; display: none; }
.field_hint.correct { color: var(--correct); display: block; }
.field_hint.wrong { color: var(--wrong); display: block; }

.reveal_panel {
    display: none;
    position: absolute;
    text-align: left;
    top: 0; left: 0;
    margin: 40px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    animation: fadeIn cubic-bezier(0.23, 1, 0.320, 1) 500ms;
}

.reveal_panel.show { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.meta_grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 16px;
    align-items: baseline;
}

.meta_key { font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.meta_val { font-size: 0.95rem; color: var(--text); word-break: break-word; }
.meta_val.empty { color: var(--muted); font-style: italic; }

.meta_link {
    font-size: 0.6rem;
    color: var(--accent2);
    text-decoration: none;
    letter-spacing: 0.08em;
    display: block;
    margin-top: 10px;
    border-top: 1px solid var(--border);
    padding-top: 10px;
}
.meta_link:hover { color: var(--text); }

.result_badge {
    display: none;
    position: absolute;
    bottom: 4%;
    text-align: center;
    font-family: 'Unbounded', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 10px;
    margin: 40px;
    border-radius: var(--radius);
    animation: fadeIn cubic-bezier(0.23, 1, 0.320, 1) 500ms;
}

.result_badge.show { display: block; }
.result_badge.correct { background: rgba(71,255,176,0.12); color: var(--correct); border: 1px solid rgba(71,255,176,0.3); }
.result_badge.wrong { background: rgba(255,79,79,0.10); color: var(--wrong); border: 1px solid rgba(255,79,79,0.25); }
.result_badge.gave-up { background: rgba(255,107,53,0.10); color: var(--skip); border: 1px solid rgba(255,107,53,0.25); }

.btn {
    font-family: 'Cascadia Code', sans-serif;
    font-weight: 700;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 20px;
    cursor: pointer;
    transition: cubic-bezier(0.23, 1, 0.320, 1) 500ms;
    white-space: nowrap;
    background: transparent;
    color: var(--subtext);
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.btn:hover:not(:disabled) { border-color: var(--subtext); color: var(--text); scale: 102%; }

.btn_next { background: var(--card); color: var(--muted); position: absolute; top: 0; right: 0; margin: 40px; }
.btn_next:hover { border-color: var(--accent2); color: var(--accent2); }

.btn_back { background: var(--card); color: var(--muted); position: absolute; top: 40%; left: 0; margin: 40px; padding: 12px 12px; }

.btn_row { position: absolute; bottom: 20%; margin: 40px; }

.loading_overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--subtext);
    z-index: 100;
    transition: opacity 0.4s;
}

.loading_overlay.hidden { opacity: 0; pointer-events: none; }

.empty_state {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--subtext);
    line-height: 1.8;
    text-align: center;
    background: var(--card);
    padding: 10px 40px;
}

.empty_state strong { color: var(--text); font-family: 'Unbounded', sans-serif; font-size: 1.1rem; }

.volume_widget {
    position: fixed;
    top: 0;
    margin: 24px 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 50;
}

.volume_widget svg { width: 16px; height: 16px; color: var(--subtext); flex-shrink: 0; }

.volume_widget input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 90px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.volume_widget input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--text);
    cursor: pointer;
    transition: background 0.2s;
}

.volume_widget input[type="range"]::-webkit-slider-thumb:hover { background: var(--accent2); }

.volume_widget input[type="range"]::-moz-range-thumb {
    width: 12px; height: 12px;
    border: none;
    border-radius: 50%;
    background: var(--text);
    cursor: pointer;
}

#waveCanvas {
    position: fixed;
    bottom: 0; left: 0;
    width: 100%; height: 120px;
    pointer-events: none;
    opacity: 0.18;
    z-index: 0;
}

/* ── Folder/playlist picker ── */

.folder_picker {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10,10,12,0.92);
    z-index: 200;
    backdrop-filter: blur(6px);
}

.folder_picker.hidden { display: none; }

.folder_picker_box {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 280px;
    max-width: 420px;
    width: 100%;
}

.manager_box {
    max-width: 500px;
}

.folder_picker_title {
    font-family: 'Unbounded', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--subtext);
    text-align: center;
}

.folder_picker_header { display: flex; flex-direction: column; }
.folder_picker_header .folder_option { width: 100%; }

.playlist_controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2px;
}

.select_all_toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.select_all_toggle input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: var(--accent2);
    cursor: pointer;
}

.select_all_label {
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--subtext);
}

.btn_manage {
    font-size: 0.55rem;
    padding: 6px 12px;
    color: var(--muted);
}

.folder_picker_list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 36vh;
    overflow-y: scroll;
    overflow-x: hidden;
    scrollbar-width: thin;
    scroll-behavior: smooth;
    scrollbar-color: var(--text) transparent;
}

.folder_option {
    display: flex;
    width: 97%;
    align-items: center;
    justify-content: space-between;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 20px;
    cursor: pointer;
    font-family: 'Cascadia Code', monospace;
    font-size: 0.8rem;
    color: var(--text);
    transition: cubic-bezier(0.23, 1, 0.320, 1) 300ms;
    text-align: left;
}

.folder_option:hover { border-color: var(--accent2); color: var(--accent2); transform: translateX(4px); }

.folder_option.all {
    margin-bottom: 4px;
    border-color: var(--accent2);
    color: var(--accent2);
    font-family: 'Cascadia Code', sans-serif;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    justify-content: center;
}

.folder_option.all:hover { background: rgba(105,97,136,0.15); color: var(--text); border-color: var(--text); }

/* Playlist checkboxes */
.playlist_item {
    display: flex;
    width: 97%;
    align-items: center;
    gap: 12px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    transition: cubic-bezier(0.23, 1, 0.320, 1) 300ms;
    cursor: pointer;
}

.playlist_item:hover { border-color: var(--accent2); }
.playlist_item.checked { border-color: var(--accent2); }

.playlist_item input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: var(--accent2);
    cursor: pointer;
    flex-shrink: 0;
}

.playlist_item_name {
    font-family: 'Cascadia Code', monospace;
    font-size: 0.8rem;
    color: var(--text);
    flex: 1;
    cursor: pointer;
}

.folder_picker_modes {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

.mode_toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.mode_toggle input[type="checkbox"] { display: none; }

.mode_toggle_slider {
    width: 36px;
    height: 20px;
    background: var(--border);
    border-radius: 20px;
    position: relative;
    flex-shrink: 0;
    transition: background cubic-bezier(0.23, 1, 0.320, 1) 300ms;
}

.mode_toggle_slider::after {
    content: '';
    position: absolute;
    width: 14px; height: 14px;
    background: var(--subtext);
    border-radius: 50%;
    top: 3px; left: 3px;
    transition: cubic-bezier(0.23, 1, 0.320, 1) 300ms;
}

.mode_toggle input:checked + .mode_toggle_slider { background: var(--accent2); }
.mode_toggle input:checked + .mode_toggle_slider::after { transform: translateX(16px); background: var(--text); }

.mode_toggle_label {
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--subtext);
}

/* ── Playlist manager ── */

.manager_body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 40vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--text) transparent;
}

.manager_item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
}

.manager_item_name {
    font-family: 'Cascadia Code', monospace;
    font-size: 0.8rem;
    color: var(--text);
}

.manager_item_actions {
    display: flex;
    gap: 8px;
}

.btn_edit {
    font-size: 0.55rem;
    padding: 6px 10px;
    color: var(--subtext);
}

.btn_delete {
    font-size: 0.55rem;
    padding: 6px 10px;
    color: var(--wrong);
    border-color: rgba(255,79,79,0.3);
}

.btn_delete:hover { border-color: var(--wrong); color: var(--wrong); }

.manager_footer {
    display: flex;
    gap: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

.manager_empty {
    font-size: 0.7rem;
    color: var(--muted);
    text-align: center;
    padding: 20px;
    letter-spacing: 0.1em;
}

/* ── Playlist editor ── */

.editor_body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.editor_name_input {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: 'Cascadia Code', monospace;
    font-size: 0.85rem;
    padding: 10px 14px;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}

.editor_name_input:focus { border-color: var(--accent2); }

.editor_urls {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: 'Cascadia Code', monospace;
    font-size: 0.72rem;
    padding: 10px 14px;
    outline: none;
    resize: vertical;
    min-height: 180px;
    max-height: 320px;
    line-height: 1.7;
    transition: border-color 0.2s;
    width: 100%;
}

.editor_urls:focus { border-color: var(--accent2); }

.btn_save {
    border-color: var(--accent2);
    color: var(--accent2);
}

.btn_save:hover { background: rgba(105,97,136,0.15); color: var(--text); }

.error_toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,79,79,0.15);
    border: 1px solid rgba(255,79,79,0.4);
    color: var(--wrong);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 10px 20px;
    border-radius: var(--radius);
    z-index: 999;
    animation: fadeIn 0.3s ease;
    pointer-events: none;
}