/* ════════════════════════════════════════════════
   ATLASCUBE — style.css
   ════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
    --accent:      #00aaff;
    --accent-dim:  #0077bb;
    --accent-glow: rgba(0,170,255,.18);
    --green:       #00e676;
    --orange:      #ffaa00;
    --red:         #ff4444;

    /* dark theme (default) */
    --bg:          #0d0d0f;
    --bg-card:     #151518;
    --bg-panel:    #1c1c21;
    --bg-station:  #222228;
    --bg-input:    #1c1c21;
    --border:      #2a2a32;
    --text:        #e8e8ec;
    --text-dim:    #888899;
    --text-label:  #555566;

    --shadow:      0 4px 24px rgba(0,0,0,.55);
    --radius:      10px;
    --radius-sm:   6px;
}

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

html, body { height: 100%; }

body {
    font-family: 'Chakra Petch', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding-bottom: 40px;
    transition: background .25s, color .25s;
}

/* ════════════════════════════════════════════════
   HEADER
   ════════════════════════════════════════════════ */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    max-width: 400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 22px;
    color: var(--accent);
    line-height: 1;
    filter: drop-shadow(0 0 6px var(--accent));
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .18em;
    color: var(--text);
}

.logo-accent {
    color: var(--accent);
}

/* ── Theme toggle ── */
.theme-toggle {
    display: flex;
    gap: 4px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3px;
}

.theme-btn {
    width: 52px;
    height: 38px;
    border: none;
    border-radius: 16px;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s;
    padding: 0;
    color: var(--text-dim);
}

.theme-btn.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 8px var(--accent-glow);
}

.theme-btn:hover:not(.active) {
    background: var(--border);
}

/* Audio source switch (Radio / Bluetooth) — reuses .theme-toggle / .theme-btn,
   but needs auto width to fit text labels instead of single icons */
.src-btn {
    width: auto;
    padding: 0 16px;
    gap: 6px;
    font-size: 13px;
}

/* ════════════════════════════════════════════════
   CARD
   ════════════════════════════════════════════════ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 440px;
    max-width: calc(100vw - 24px);
    margin: 0 auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: background .25s, border-color .25s;
}

/* ════════════════════════════════════════════════
   PANELS / SECTIONS
   ════════════════════════════════════════════════ */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    margin: 10px 0px;
    transition: background .25s, border-color .25s;
}

.panel-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .14em;
    color: var(--text-label);
    margin-bottom: 8px;
    text-transform: uppercase;
}

/* ── Screen switcher ── */
.screen-switcher {
    display: flex;
    gap: 6px;
}

.screen-switcher button {
    flex: 1;
    padding: 7px 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-station);
    color: var(--text-dim);
    font-family: 'Chakra Petch', sans-serif;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
    white-space: nowrap;
}

.screen-switcher button:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
}

/* ════════════════════════════════════════════════
   NOW PLAYING
   ════════════════════════════════════════════════ */
.now-playing {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    transition: background .25s;
}

.np-inner {
    flex: 1;
    min-width: 0;
}

.station-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 3px;
}

.track-title {
    font-size: 12px;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 5px;
}

.audio-info {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-label);
}

/* ── Status badge ── */
.status-badge {
    flex-shrink: 0;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .06em;
    padding: 3px 8px;
    border-radius: 20px;
    background: var(--bg-station);
    color: var(--text-dim);
    border: 1px solid var(--border);
    white-space: nowrap;
    align-self: flex-start;
    margin-top: 2px;
    transition: background .2s, color .2s;
}

.status-badge.playing  { background: rgba(0,230,118,.12); color: var(--green);  border-color: var(--green); }
.status-badge.buffering{ background: rgba(255,170,0,.12); color: var(--orange); border-color: var(--orange); }
.status-badge.error    { background: rgba(255,68,68,.12);  color: var(--red);   border-color: var(--red); }

/* ════════════════════════════════════════════════
   SLIDERS
   ════════════════════════════════════════════════ */
.slider-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 8px;
}

.slider-label {
    font-size: 12px;
    color: var(--text-dim);
}

.slider-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--accent);
    font-weight: 600;
    min-width: 28px;
    text-align: right;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 5px;
    border-radius: 4px;
    background: var(--border);
    outline: none;
    cursor: pointer;
    margin: 0;
    padding: 0;
}

input[type="range"]::-webkit-slider-runnable-track {
    height: 5px;
    border-radius: 4px;
    background: var(--border);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    margin-top: -5.5px;
    box-shadow: 0 0 6px var(--accent-glow);
    transition: transform .15s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--accent-dim);
}

/* ════════════════════════════════════════════════
   PLAY BUTTON
   ════════════════════════════════════════════════ */
.btn-play {
    width: 100%;
    padding: 11px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: #fff;
    font-family: 'Chakra Petch', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .06em;
    cursor: pointer;
    box-shadow: 0 0 14px var(--accent-glow);
    transition: background .15s, box-shadow .15s, transform .1s;
}

.btn-play:hover  { background: var(--accent-dim); }
.btn-play:active { transform: scale(.98); }

/* ════════════════════════════════════════════════
   STATIONS
   ════════════════════════════════════════════════ */
.stations-list {
    max-height: 260px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 5px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.stations-list::-webkit-scrollbar { width: 4px; }
.stations-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.station {
    padding: 5px 10px 20px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--bg-station);
    font-size: 13px;
    color: var(--text-dim);
    border: 1px solid transparent;
    transition: background .12s, color .12s, border-color .12s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}

.station:hover  {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--text);
}

.station.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    font-weight: 600;
}

/* ════════════════════════════════════════════════
   TOOLBAR
   ════════════════════════════════════════════════ */
.toolbar {
    display: flex;
    gap: 6px;
}

.tool-btn {
    flex: 1;
    padding: 8px 6px;
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    background: rgba(0,170,255,.08);
    color: var(--accent);
    font-family: 'Chakra Petch', sans-serif;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s, color .15s, border-color .15s;
}

.tool-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.tool-btn.bt-on {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.tool-link { text-decoration: none; }

/* ════════════════════════════════════════════════
   MODALS
   ════════════════════════════════════════════════ */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.75);
    backdrop-filter: blur(6px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal.hidden { display: none; }

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: background .25s;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .06em;
}

.modal-close {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--bg-panel);
    color: var(--text-dim);
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s, color .15s;
    flex-shrink: 0;
    padding: 0;
}

.modal-close:hover { background: var(--red); color: #fff; border-color: var(--red); }

/* ── EQ ── */
#eq_canvas {
    width: 100%;
    height: 100px;
    border-radius: var(--radius-sm);
    background: #0a0a0e;
    display: block;
}

#eq_bands {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 160px;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

#eq_bands > div {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    gap: 4px;
}

#eq_bands label {
    font-size: 9px;
    color: var(--text-label);
    text-align: center;
}

#eq_bands input[type="range"] {
    writing-mode: bt-lr;
    -webkit-appearance: slider-vertical;
    height: 110px;
    width: 6px;
    background: transparent;
    padding: 0;
    cursor: pointer;
}

.eq-wrapper {
    display: flex;
    align-items: stretch;
    gap: 4px;
}

.eq-scale {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 4px 0 18px 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text-label);
    text-align: right;
    border-left: 1px solid var(--border);
    min-width: 28px;
}

.eq-scale span:nth-child(2) {
    color: var(--text-dim);
}

.eq-footer {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* ── BT Console ── */
.bt-log {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--green);
    background: #060a06;
    border: 1px solid #1a2a1a;
    border-radius: var(--radius-sm);
    padding: 10px;
    height: 140px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #2a3a2a transparent;
    white-space: pre-wrap;
    word-break: break-all;
}

.bt-send-row {
    display: flex;
    gap: 6px;
}

.bt-input {
    flex: 1;
    padding: 8px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    outline: none;
    margin: 0;
    width: auto;
}

.bt-input:focus { border-color: var(--accent); }

.bt-toggle-btn {
    padding: 5px 12px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--bg-panel);
    color: var(--text-dim);
    font-family: 'Chakra Petch', sans-serif;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
    white-space: nowrap;
}

.bt-toggle-btn.bt-on {
    background: rgba(0,170,255,.15);
    border-color: var(--accent);
    color: var(--accent);
}

.panel-label--row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bt-status {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .05em;
    color: var(--text-label);
    transition: color .25s;
}

.bt-status.connected    { color: var(--green); }
.bt-status.disconnected { color: var(--text-label); }
.bt-status.discoverable { color: var(--accent); }


.btn-secondary {
    padding: 8px 14px;
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    background: rgba(0,170,255,.08);
    color: var(--accent);
    font-family: 'Chakra Petch', sans-serif;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
    white-space: nowrap;
}

.btn-secondary:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.btn-send { padding: 8px 16px; }

/* ════════════════════════════════════════════════
   SETTINGS PAGE (settings.html)
   ════════════════════════════════════════════════ */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    text-decoration: none;
    font-size: 12px;
    margin-bottom: 16px;
    font-weight: 600;
    letter-spacing: .04em;
    transition: opacity .15s;
}
.back-link:hover { opacity: .7; }

.section-title {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .14em;
    color: var(--text-label);
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
    margin-bottom: 14px;
    margin-top: 6px;
    text-align: left;
    text-transform: uppercase;
}

.field-group {
    margin-bottom: 12px;
    text-align: left;
}

.field-label {
    display: block;
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 5px;
    font-weight: 600;
}

.field-input {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 12px;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 0;
    outline: none;
    transition: border-color .15s;
}

.field-input:focus { border-color: var(--accent); }

select.field-input { font-family: 'Chakra Petch', sans-serif; cursor: pointer; }

.field-hint {
    font-size: 10px;
    color: var(--text-label);
    margin-top: 4px;
}

#save_btn,
#scrs_save_btn,
#mqtt_save_btn,
#mqtt_widgets_save_btn {
    width: 100%;
    margin-top: 16px;
    background: var(--accent);
    border: none;
    color: #fff;
    padding: 11px;
    border-radius: var(--radius-sm);
    font-family: 'Chakra Petch', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .06em;
    cursor: pointer;
    box-shadow: 0 0 14px var(--accent-glow);
    transition: background .15s;
}
#save_btn:hover:not(:disabled),
#scrs_save_btn:hover:not(:disabled),
#mqtt_save_btn:hover:not(:disabled),
#mqtt_widgets_save_btn:hover:not(:disabled) { background: var(--accent-dim); }
#save_btn:disabled,
#scrs_save_btn:disabled,
#mqtt_save_btn:disabled,
#mqtt_widgets_save_btn:disabled { background: var(--border); cursor: not-allowed; box-shadow: none; }

.save-status {
    margin-top: 10px;
    font-size: 12px;
    min-height: 18px;
    text-align: center;
}
.save-status.ok    { color: var(--green); }
.save-status.error { color: var(--red); }

.section-gap { margin-top: 24px; }

/* ════════════════════════════════════════════════
   Settings tabs (settings.html)
   ════════════════════════════════════════════════ */
.tab-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 6px;
    margin: 10px 0 18px;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    flex: 0 0 auto;
    background: transparent;
    border: 1px solid transparent;
    border-bottom: none;
    color: var(--text-dim);
    padding: 7px 12px;
    font-family: 'Chakra Petch', sans-serif;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    cursor: pointer;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    white-space: nowrap;
    transition: color .15s, background .15s, border-color .15s;
    position: relative;
    top: 1px;   /* overlap nav bottom border when active */
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
    color: var(--accent);
    background: var(--bg-input);
    border-color: var(--border);
    border-bottom-color: var(--bg-input);
}

.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* settings theme toggle reuse .theme-toggle / .theme-btn */

/* ════════════════════════════════════════════════
   WiFi banner (settings.html)
   ════════════════════════════════════════════════ */
.wifi-banner {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    line-height: 1.5;
    border: 1px solid var(--orange);
    background: rgba(255,170,0,.10);
    color: var(--orange);
    margin-bottom: 4px;
}

.wifi-banner.connected {
    border-color: var(--green);
    background: rgba(0,230,118,.08);
    color: var(--green);
}

.wifi-banner.hidden { display: none; }

.wifi-save-btn {
    width: 100%;
    padding: 11px;
    border: none;
    border-radius: var(--radius-sm);
    background: #1a5c1a;
    color: #fff;
    font-family: 'Chakra Petch', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    cursor: pointer;
    border: 1px solid var(--green);
    transition: background .15s;
}

.wifi-save-btn:hover:not(:disabled) { background: #226622; }
.wifi-save-btn:disabled { opacity: .5; cursor: not-allowed; }

.pw-row {
    display: flex;
    gap: 6px;
    align-items: center;
}

.pw-row .field-input { flex: 1; }

.pw-eye {
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-panel);
    color: var(--text-dim);
    cursor: pointer;
    font-size: 14px;
    opacity: .45;
    transition: opacity .15s;
    flex-shrink: 0;
}

.pw-eye:hover { opacity: 1; }

/* ─── Colors section ──────────────────────────────────────────────── */
.color-row {
    display: grid;
    grid-template-columns: 1fr 48px 110px;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}

.color-label-wrap {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.color-label {
    color: var(--text-dim, #888);
    font-size: 13px;
    letter-spacing: .3px;
}

.color-hint {
    font-size: 10px;
    color: var(--text-label);
    line-height: 1.3;
}

.color-swatch {
    width: 48px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
}

.color-hex {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    text-transform: uppercase;
    padding: 6px 8px;
}

.color-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 14px;
}

#colors_save_btn {
    padding: 8px 14px;
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: 'Chakra Petch', sans-serif;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    cursor: pointer;
    box-shadow: 0 0 14px var(--accent-glow);
    transition: background .15s, border-color .15s;
    white-space: nowrap;
}

#colors_save_btn:hover:not(:disabled) {
    background: var(--accent-dim);
    border-color: var(--accent-dim);
}

#colors_save_btn:disabled {
    background: var(--border);
    border-color: var(--border);
    cursor: not-allowed;
    box-shadow: none;
}