/* ========================================
   Background Music Player - Frontend Styles
   HTML5 Audio - Premium Design
   ======================================== */

* {
    box-sizing: border-box;
}

/* ========================================
   PLAYER WRAPPER - Invisible (Music in background)
   ======================================== */

.bmp-player-wrapper {
    display: none;
    visibility: hidden;
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
    z-index: -9999;
    opacity: 0;
    pointer-events: none;
}

/* ========================================
   PLAYER CONTAINER - Invisible
   ======================================== */

.bmp-player-container {
    display: none;
    visibility: hidden;
}

/* ========================================
   MUSIC TITLE - Not displayed (background audio)
   ======================================== */

.bmp-music-title {
    display: none;
    visibility: hidden;
}

/* ========================================
   HTML5 AUDIO ELEMENT - Invisible
   ======================================== */

.bmp-audio-player {
    display: none;
    visibility: hidden;
    width: 0;
    height: 0;
    opacity: 0;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .bmp-player-wrapper {
        padding: 10px 12px;
    }

    .bmp-music-title {
        font-size: 10px;
        margin-bottom: 6px;
        letter-spacing: 0.5px;
    }

    .bmp-audio-player {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .bmp-player-wrapper {
        padding: 8px 10px;
    }

    .bmp-music-title {
        font-size: 9px;
        margin-bottom: 4px;
        letter-spacing: 0.3px;
    }

    .bmp-audio-player {
        font-size: 11px;
    }

    .bmp-player-wrapper::before {
        right: 10px;
        font-size: 16px;
    }
}

/* ========================================
   HIDE CONTROLS MODE
   ======================================== */

.bmp-player-wrapper.bmp-hide-controls .bmp-audio-player {
    display: none;
}

.bmp-player-wrapper.bmp-hide-controls {
    padding: 4px 16px;
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

.bmp-audio-player:focus {
    outline: 2px solid rgba(100, 200, 255, 0.7);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ========================================
   DARK MODE SUPPORT
   ======================================== */

@media (prefers-color-scheme: dark) {
    .bmp-player-wrapper {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    }
}

/* ========================================
   REDUCED MOTION SUPPORT
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    .bmp-player-wrapper,
    .bmp-music-title {
        animation: none !important;
        transition: none !important;
    }
}

/* ========================================
   HIGH CONTRAST MODE
   ======================================== */

@media (prefers-contrast: more) {
    .bmp-player-wrapper {
        border-top: 2px solid rgba(100, 200, 255, 0.7);
    }

    .bmp-music-title {
        color: rgba(100, 200, 255, 1);
        font-weight: 700;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .bmp-player-wrapper {
        display: none;
    }
}

/* ========================================
   SMOOTH TRANSITIONS
   ======================================== */

.bmp-audio-player,
.bmp-music-title {
    transition: opacity 0.3s ease, color 0.3s ease;
}