/* ── Radiola Loader — global branded loading indicator ────────────
 *
 * Usage:
 *   <div class="radiola-loader">
 *       <div class="radiola-loader-ring"></div>
 *       <img src="assets/logos/logo.png" class="radiola-loader-logo" alt="">
 *   </div>
 *
 * Variants:
 *   .radiola-loader              → centered block (fills parent)
 *   .radiola-loader.rl-inline    → inline/small (32px, for sections)
 *   .radiola-loader.rl-fullpage  → fixed fullscreen overlay
 *   .radiola-loader.rl-fade-out  → triggers exit animation
 */

.radiola-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    width: 100%;
    padding: 3rem 0;
}

.radiola-loader-core {
    position: relative;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.radiola-loader-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2.5px solid rgba(255, 255, 255, 0.06);
    border-top-color: var(--accent-color, #ff9900);
    border-right-color: var(--accent-cyan, #00b8ff);
    animation: rl-spin 1s cubic-bezier(0.5, 0.15, 0.35, 0.85) infinite;
}

.radiola-loader-logo {
    width: 28px;
    height: 28px;
    object-fit: contain;
    animation: rl-pulse 1.6s ease-in-out infinite;
    position: relative;
    filter: drop-shadow(0 0 8px rgba(255, 153, 0, 0.3));
}

/* ── Inline variant (small, for sections) ────────────────────── */

.radiola-loader.rl-inline {
    padding: 1.5rem 0;
}

.radiola-loader.rl-inline .radiola-loader-core {
    width: 36px;
    height: 36px;
}

.radiola-loader.rl-inline .radiola-loader-ring {
    border-width: 2px;
}

.radiola-loader.rl-inline .radiola-loader-logo {
    width: 18px;
    height: 18px;
}

/* ── Fullpage overlay ────────────────────────────────────────── */

.radiola-loader.rl-fullpage {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(10, 10, 15, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0;
    gap: 1.2rem;
}

.radiola-loader.rl-fullpage .radiola-loader-core {
    width: 72px;
    height: 72px;
}

.radiola-loader.rl-fullpage .radiola-loader-ring {
    border-width: 3px;
}

.radiola-loader.rl-fullpage .radiola-loader-logo {
    width: 36px;
    height: 36px;
}

.radiola-loader-text {
    display: none;
    font-family: var(--font-sans, 'Inter', sans-serif);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 0.5rem;
}

.radiola-loader.rl-fullpage .radiola-loader-text {
    display: block;
}

/* ── Fade-out exit ───────────────────────────────────────────── */

.radiola-loader.rl-fade-out {
    animation: rl-fadeOut 0.35s ease forwards;
    pointer-events: none;
}

/* ── Animations ──────────────────────────────────────────────── */

@keyframes rl-spin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes rl-pulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50%      { opacity: 1;   transform: scale(1.08); }
}

@keyframes rl-fadeOut {
    0%   { opacity: 1; }
    100% { opacity: 0; }
}