@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --rps-bg: #0f0f13;
    --rps-bg-panel: #18181f;
    --rps-bg-card: #1e1e28;
    --rps-accent: #7ba35c;
    --rps-accent-glow: rgba(123, 163, 92, 0.35);
    --rps-text: #f1f1f5;
    --rps-text-muted: #9090a8;
    --rps-border: rgba(255, 255, 255, 0.07);
    --rps-radius: 16px;
    --rps-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
}

/* =====================
   FLOATING TOGGLE BUTTON
   ===================== */
#rps-toggle-btn {
    position: fixed;
    top: 50%;
    right: 0;
    margin-top: -32px;
    width: 48px;
    height: 64px;
    border-radius: 12px 0 0 12px;
    background: var(--rps-accent);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: -4px 0 20px var(--rps-accent-glow), -2px 0 8px rgba(0,0,0,0.4);
    z-index: 99999;
    transition: width 0.25s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.25s ease, transform 0.3s ease, opacity 0.2s ease;
    color: #fff;
    font-family: 'Inter', sans-serif;
}

#rps-toggle-btn:hover {
    width: 56px;
    box-shadow: -6px 0 28px var(--rps-accent-glow), -2px 0 10px rgba(0,0,0,0.5);
}

#rps-toggle-btn.player-open {
    transform: translateX(100%);
    opacity: 0;
    pointer-events: none;
}

#rps-toggle-btn svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
    transition: transform 0.3s ease;
}

/* Live pulse dot on toggle button */
#rps-toggle-btn::after {
    content: '';
    position: absolute;
    top: 7px;
    right: 7px;
    width: 9px;
    height: 9px;
    background: #fff;
    border-radius: 50%;
    border: 2px solid var(--rps-accent);
    animation: rps-live-pulse 1.8s ease-in-out infinite;
}

#rps-toggle-btn.is-paused::after {
    animation: none;
    background: rgba(255,255,255,0.4);
}

@keyframes rps-live-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.35); opacity: 0.7; }
}

/* =====================
   MAIN PLAYER PANEL
   ===================== */
#rps-player-container {
    font-family: 'Inter', sans-serif;
    position: fixed;
    top: 50%;
    right: 0;
    margin-top: -160px; /* Center ~320px high panel */
    width: 300px;
    background: var(--rps-bg-panel);
    border-radius: var(--rps-radius) 0 0 var(--rps-radius);
    border: 1px solid var(--rps-border);
    border-right: none;
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.6);
    z-index: 99998;
    overflow: hidden;
    transform: translateX(100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s ease;
}

#rps-player-container.rps-visible {
    transform: translateX(0);
    opacity: 1;
    pointer-events: all;
}

#rps-player-container.rps-hidden {
    display: none;
}

/* ---- Header ---- */
.rps-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px 10px;
    border-bottom: 1px solid var(--rps-border);
}

.rps-live-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--rps-accent);
}

.rps-live-dot {
    width: 7px;
    height: 7px;
    background: var(--rps-accent);
    border-radius: 50%;
    animation: rps-live-pulse 1.8s ease-in-out infinite;
}

.rps-paused .rps-live-dot {
    animation: none;
    background: var(--rps-text-muted);
}

.rps-paused .rps-live-badge {
    color: var(--rps-text-muted);
}

.rps-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--rps-text-muted);
    padding: 2px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background 0.2s;
    width: 24px;
    height: 24px;
}

.rps-close-btn:hover {
    color: var(--rps-text);
    background: rgba(255,255,255,0.08);
}

.rps-close-btn svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* ---- Now playing ---- */
.rps-now-playing {
    padding: 14px 14px 10px;
}

.rps-station-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--rps-text-muted);
    margin-bottom: 4px;
}

.rps-song-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--rps-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}

.rps-song-title.rps-scrolling {
    animation: rps-scroll-text 12s linear infinite;
    white-space: nowrap;
    overflow: visible;
}

@keyframes rps-scroll-text {
    0%   { transform: translateX(0); }
    30%  { transform: translateX(0); }
    70%  { transform: translateX(calc(-100% + 240px)); }
    100% { transform: translateX(calc(-100% + 240px)); }
}

/* ---- Station selector ---- */
.rps-station-row {
    padding: 0 14px 12px;
}

#rps-station-selector {
    width: 100%;
    background: var(--rps-bg-card);
    color: var(--rps-text);
    border: 1px solid var(--rps-border);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 12px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%239090a8'%3E%3Cpath d='M7 10l5 5 5-5H7z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
    padding-right: 28px;
}

#rps-station-selector:focus {
    border-color: var(--rps-accent);
}

#rps-station-selector option {
    background: var(--rps-bg-card);
}

/* ---- Controls ---- */
.rps-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px 14px;
    border-top: 1px solid var(--rps-border);
}

/* Play/Pause button */
#rps-play-pause-btn {
    width: 42px;
    height: 42px;
    min-width: 42px;
    border-radius: 50%;
    background: var(--rps-accent);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 3px 12px var(--rps-accent-glow);
    transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.2s;
    flex-shrink: 0;
}

#rps-play-pause-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 18px var(--rps-accent-glow);
}

#rps-play-pause-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* Volume */
.rps-volume-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.rps-volume-icon {
    flex-shrink: 0;
    color: var(--rps-text-muted);
    display: flex;
    align-items: center;
}

.rps-volume-icon svg {
    width: 15px;
    height: 15px;
    fill: currentColor;
}

#rps-volume-slider {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    height: 3px;
    background: rgba(255,255,255,0.12);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
    transition: background 0.2s;
}

#rps-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 13px;
    height: 13px;
    background: var(--rps-accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 6px var(--rps-accent-glow);
    transition: transform 0.15s;
}

#rps-volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.25);
}

#rps-volume-slider::-moz-range-thumb {
    width: 13px;
    height: 13px;
    background: var(--rps-accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Volume fill via CSS custom property */
#rps-volume-slider {
    background: linear-gradient(
        to right,
        var(--rps-accent) 0%,
        var(--rps-accent) var(--rps-vol-pct, 100%),
        rgba(255,255,255,0.12) var(--rps-vol-pct, 100%),
        rgba(255,255,255,0.12) 100%
    );
}

/* Loading spinner state */
#rps-play-pause-btn.rps-loading svg {
    animation: rps-spin 0.9s linear infinite;
}

@keyframes rps-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* Waveform animation bars (visible while playing) */
.rps-waveform {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 16px;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 0.3s;
}

.rps-waveform.rps-active {
    opacity: 1;
}

.rps-waveform span {
    display: block;
    width: 3px;
    background: var(--rps-accent);
    border-radius: 2px;
    animation: rps-wave 1.2s ease-in-out infinite;
}

.rps-waveform span:nth-child(1) { height: 6px;  animation-delay: 0s; }
.rps-waveform span:nth-child(2) { height: 12px; animation-delay: 0.2s; }
.rps-waveform span:nth-child(3) { height: 8px;  animation-delay: 0.4s; }
.rps-waveform span:nth-child(4) { height: 14px; animation-delay: 0.1s; }
.rps-waveform span:nth-child(5) { height: 6px;  animation-delay: 0.3s; }

@keyframes rps-wave {
    0%, 100% { transform: scaleY(0.4); }
    50%       { transform: scaleY(1); }
}

/* Responsive: maintains the side drawer but slightly thinner on super narrow phones */
@media (max-width: 480px) {
    #rps-player-container {
        width: 280px;
    }
}