/* =====================================================================
   ESAForum — Floating Radio Player Widget
   Created by ESAGAMES HOSTING SHIELD SRL
   Uses theme.css custom properties (--primary, --surface, etc.)
   ===================================================================== */

/* ── Root widget container (always in DOM when JS runs) ── */
#esa-radio {
    position: fixed;
    bottom: 80px; /* above cookie bar */
    left: 18px;
    z-index: 120;
    font-family: inherit;
    display: flex;
    flex-direction: column-reverse; /* panel above button */
    align-items: flex-start;
    gap: 8px;
}

/* ── Collapsed toggle button ── */
#esa-radio-toggle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid rgba(var(--primary-rgb), .5);
    background: var(--surface-2);
    color: #fff;
    font-size: 22px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow, 0 4px 24px rgba(0,0,0,.5));
    transition: border-color .2s, box-shadow .2s, transform .15s;
    position: relative;
    flex-shrink: 0;
}
#esa-radio-toggle:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), .18), var(--shadow, 0 4px 24px rgba(0,0,0,.5));
    transform: scale(1.07);
}
#esa-radio-toggle:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

/* Pulse ring when playing */
#esa-radio-toggle::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(var(--primary-rgb), .55);
    opacity: 0;
    transform: scale(.9);
    transition: opacity .3s;
}
#esa-radio.is-playing #esa-radio-toggle::after {
    animation: radio-pulse 2s ease-in-out infinite;
}
@keyframes radio-pulse {
    0%, 100% { opacity: 0;   transform: scale(.9);  }
    50%       { opacity: .7; transform: scale(1.18); }
}
@media (prefers-reduced-motion: reduce) {
    #esa-radio.is-playing #esa-radio-toggle::after { animation: none; opacity: 0; }
}

/* ── Expanded panel ── */
#esa-radio-panel {
    min-width: 240px;
    max-width: 280px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius, 12px);
    box-shadow: var(--shadow, 0 8px 32px rgba(0,0,0,.55));
    overflow: hidden;
    transform-origin: bottom left;
    transition: transform .22s cubic-bezier(.4,0,.2,1), opacity .22s cubic-bezier(.4,0,.2,1);
}
#esa-radio-panel[hidden] {
    /* override hidden for CSS transition — JS sets this */
    display: block !important;
    transform: scale(.88) translateY(8px);
    opacity: 0;
    pointer-events: none;
}
#esa-radio-panel.panel-open {
    transform: scale(1) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

/* Panel header bar */
.radio-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px 9px 14px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    gap: 8px;
}
.radio-header-left {
    display: flex;
    align-items: center;
    gap: 7px;
    min-width: 0;
}
.radio-icon {
    font-size: 16px;
    flex-shrink: 0;
}
.radio-title {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-dim);
}

/* LIVE indicator */
.radio-live {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 7px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    background: rgba(var(--primary-rgb), .15);
    border: 1px solid rgba(var(--primary-rgb), .35);
    color: var(--primary, #2f6bff);
    opacity: .35;
    transition: opacity .3s, background .3s, color .3s;
}
.radio-live::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary, #2f6bff);
    flex-shrink: 0;
    transition: background .3s;
}
.is-playing .radio-live {
    opacity: 1;
    background: rgba(46, 230, 166, .15);
    border-color: rgba(46, 230, 166, .4);
    color: var(--green, #2ee6a6);
}
.is-playing .radio-live::before {
    background: var(--green, #2ee6a6);
    animation: live-blink 1.1s ease-in-out infinite alternate;
}
@keyframes live-blink {
    from { opacity: 1; }
    to   { opacity: .3; }
}
@media (prefers-reduced-motion: reduce) {
    .is-playing .radio-live::before { animation: none; }
}

/* Close button */
#esa-radio-close {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    padding: 2px 4px;
    border-radius: 4px;
    transition: color .15s, background .15s;
    flex-shrink: 0;
}
#esa-radio-close:hover {
    color: var(--text);
    background: rgba(255,255,255,.07);
}
#esa-radio-close:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Station name */
.radio-station-wrap {
    padding: 10px 14px 4px;
    min-height: 36px;
    display: flex;
    align-items: center;
    gap: 8px;
}
#esa-radio-station-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

/* Status label (buffering / tap to play / offline) */
#esa-radio-status {
    font-size: 11px;
    color: var(--text-dim);
    padding: 0 14px 6px;
    min-height: 16px;
    display: flex;
    align-items: center;
    gap: 5px;
}
#esa-radio-status.status-error {
    color: #ff4d6d;
}
#esa-radio-status.status-buffering {
    color: var(--primary, #2f6bff);
}
.radio-spinner {
    display: inline-block;
    width: 10px;
    height: 10px;
    border: 2px solid rgba(var(--primary-rgb), .3);
    border-top-color: var(--primary, #2f6bff);
    border-radius: 50%;
    animation: radio-spin .7s linear infinite;
    flex-shrink: 0;
}
@keyframes radio-spin {
    to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
    .radio-spinner { animation: none; border-color: var(--primary, #2f6bff); }
}

/* Controls row */
.radio-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 4px 14px 10px;
}

/* Base icon button */
.radio-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    transition: background .15s, color .15s, border-color .15s, transform .12s;
    flex-shrink: 0;
}
.radio-btn:hover {
    background: rgba(255,255,255,.07);
    color: var(--text);
    border-color: rgba(var(--primary-rgb), .4);
    transform: scale(1.08);
}
.radio-btn:active {
    transform: scale(.94);
}
.radio-btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}
.radio-btn:disabled {
    opacity: .35;
    cursor: default;
    transform: none;
}

/* Play/Pause — slightly larger + accent */
#esa-radio-playpause {
    width: 40px;
    height: 40px;
    font-size: 17px;
    border-color: rgba(var(--primary-rgb), .5);
    background: rgba(var(--primary-rgb), .12);
    color: var(--primary, #2f6bff);
}
#esa-radio-playpause:hover {
    background: rgba(var(--primary-rgb), .22);
    border-color: var(--primary);
    color: #fff;
}

/* Volume row */
.radio-volume-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 14px 12px;
}
.radio-vol-icon {
    font-size: 13px;
    color: var(--text-dim);
    flex-shrink: 0;
    user-select: none;
}
#esa-radio-volume {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--border, rgba(255,255,255,.12));
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    accent-color: var(--primary, #2f6bff);
    transition: background .2s;
}
#esa-radio-volume:hover {
    background: rgba(var(--primary-rgb), .25);
}
#esa-radio-volume::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--primary, #2f6bff);
    box-shadow: 0 0 6px rgba(var(--primary-rgb), .5);
    transition: transform .15s;
}
#esa-radio-volume:hover::-webkit-slider-thumb {
    transform: scale(1.25);
}
#esa-radio-volume::-moz-range-thumb {
    width: 13px;
    height: 13px;
    border-radius: 50%;
    border: none;
    background: var(--primary, #2f6bff);
    box-shadow: 0 0 6px rgba(var(--primary-rgb), .5);
    transition: transform .15s;
}
#esa-radio-volume:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

/* ── Phone overrides ── */
@media (max-width: 480px) {
    #esa-radio {
        bottom: 68px;
        left: 10px;
        gap: 6px;
    }
    #esa-radio-toggle {
        width: 42px;
        height: 42px;
        font-size: 19px;
    }
    #esa-radio-panel {
        min-width: 210px;
        max-width: 240px;
    }
    .radio-header {
        padding: 8px 10px 8px 12px;
    }
    .radio-station-wrap {
        padding: 8px 12px 3px;
    }
    #esa-radio-status {
        padding: 0 12px 5px;
    }
    .radio-controls {
        padding: 4px 12px 9px;
        gap: 5px;
    }
    .radio-btn {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }
    #esa-radio-playpause {
        width: 36px;
        height: 36px;
        font-size: 15px;
    }
    .radio-volume-row {
        padding: 0 12px 10px;
    }
    #esa-radio-station-name {
        font-size: 13px;
    }
}