/* ============================================================
   mod_ssw_floatingbook — Solar Sea Walk Floating Book Button
   ============================================================ */

/* ── Base button ─────────────────────────────────────────── */
.ssw-float-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Side positioning ────────────────────────────────────── */
.ssw-float-right { right: 0; }
.ssw-float-left  { left: 0; }

/* ── The link ────────────────────────────────────────────── */
.ssw-float-link {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--ssw-float-bg, #00c4d4);
    color: var(--ssw-float-color, #ffffff) !important;
    text-decoration: none !important;
    padding: 18px 10px;
    border-radius: 12px 0 0 12px;
    box-shadow: -4px 4px 20px rgba(0, 0, 0, 0.25);
    transition: padding 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    cursor: pointer;
    min-width: 42px;
    overflow: visible;
}

/* Flip border radius for left side */
.ssw-float-left .ssw-float-link {
    border-radius: 0 12px 12px 0;
    box-shadow: 4px 4px 20px rgba(0, 0, 0, 0.25);
}

/* ── Hover effect ────────────────────────────────────────── */
.ssw-float-link:hover {
    padding: 22px 14px;
    box-shadow: -6px 6px 30px rgba(0, 0, 0, 0.35);
    transform: translateX(-4px);
}

.ssw-float-left .ssw-float-link:hover {
    transform: translateX(4px);
    box-shadow: 6px 6px 30px rgba(0, 0, 0, 0.35);
}

/* ── Icon ────────────────────────────────────────────────── */
.ssw-float-icon {
    font-size: 1.3rem;
    line-height: 1;
    display: block;
}

/* ── Label — rotated text ────────────────────────────────── */
.ssw-float-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ssw-float-color, #ffffff);
    white-space: nowrap;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    line-height: 1;
}

/* Flip rotation for left side */
.ssw-float-left .ssw-float-label {
    transform: rotate(0deg);
}

/* ── Pulse animation ─────────────────────────────────────── */
.ssw-float-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: inherit;
    background: var(--ssw-float-bg, #00c4d4);
    opacity: 0;
    pointer-events: none;
    animation: ssw-pulse 2.8s ease-out infinite;
}

@keyframes ssw-pulse {
    0%   { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    70%  { opacity: 0;   transform: translate(-50%, -50%) scale(1.6); }
    100% { opacity: 0;   transform: translate(-50%, -50%) scale(1.6); }
}

/* Pause pulse on hover — don't distract when interacting */
.ssw-float-link:hover .ssw-float-pulse {
    animation-play-state: paused;
}

/* ── Hidden state (JS-controlled) ───────────────────────── */
.ssw-float-btn.ssw-float-hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-50%) translateX(100%);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.ssw-float-left.ssw-float-hidden {
    transform: translateY(-50%) translateX(-100%);
}

/* ── Visible state ───────────────────────────────────────── */
.ssw-float-btn.ssw-float-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(-50%) translateX(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* ── Mobile ──────────────────────────────────────────────── */
@media (max-width: 768px) {

    /* Default mobile: hide the side tab */
    .ssw-mobile-bottom {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        transform: none;
        width: 100%;
    }

    .ssw-mobile-bottom .ssw-float-link {
        flex-direction: row;
        gap: 10px;
        padding: 14px 24px;
        border-radius: 0;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
        width: 100%;
        justify-content: center;
        transform: none !important;
    }

    .ssw-mobile-bottom .ssw-float-link:hover {
        padding: 14px 24px;
        transform: none !important;
    }

    .ssw-mobile-bottom .ssw-float-label {
        writing-mode: horizontal-tb;
        transform: none;
        font-size: 0.88rem;
        letter-spacing: 0.08em;
    }

    .ssw-mobile-bottom.ssw-float-hidden {
        transform: translateY(100%);
        transition: transform 0.4s ease, opacity 0.4s ease;
    }

    .ssw-mobile-bottom.ssw-float-visible {
        transform: translateY(0);
    }

    /* Keep side position on mobile if set */
    .ssw-mobile-side {
        /* inherits desktop styles */
    }

    /* Hide completely on mobile if set */
    .ssw-mobile-hide {
        display: none !important;
    }
}

/* ── Attention shake (triggered once after 5s) ───────────── */
@keyframes ssw-shake {
    0%   { transform: translateY(-50%) translateX(0); }
    15%  { transform: translateY(-50%) translateX(-8px); }
    30%  { transform: translateY(-50%) translateX(6px); }
    45%  { transform: translateY(-50%) translateX(-6px); }
    60%  { transform: translateY(-50%) translateX(4px); }
    75%  { transform: translateY(-50%) translateX(-2px); }
    100% { transform: translateY(-50%) translateX(0); }
}


/* ================================================================
   HORIZONTAL ORIENTATION
   Icon + label side by side, pill shape, no text rotation
   Uses !important to safely override the vertical writing-mode
   ================================================================ */

.ssw-orient-horizontal .ssw-float-link {
    flex-direction: row !important;
    gap: 8px;
    padding: 12px 16px 12px 14px;
    border-radius: 50px 0 0 50px;   /* pill — right side */
}

.ssw-float-left.ssw-orient-horizontal .ssw-float-link {
    border-radius: 0 50px 50px 0;   /* pill — left side */
}

/* Override vertical writing-mode from base .ssw-float-label */
.ssw-orient-horizontal .ssw-float-label,
.ssw-float-left.ssw-orient-horizontal .ssw-float-label {
    writing-mode: horizontal-tb !important;
    text-orientation: initial !important;
    transform: none !important;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    white-space: nowrap;
}

.ssw-orient-horizontal .ssw-float-icon {
    font-size: 1.1rem;
}

/* Hover */
.ssw-orient-horizontal .ssw-float-link:hover {
    padding: 14px 20px 14px 16px;
}

.ssw-float-left.ssw-orient-horizontal .ssw-float-link:hover {
    padding: 14px 16px 14px 20px;
}

/* ── Attention shake ─────────────────────────────────────── */
@keyframes ssw-shake {
    0%   { transform: translateY(-50%) translateX(0); }
    15%  { transform: translateY(-50%) translateX(-8px); }
    30%  { transform: translateY(-50%) translateX(6px); }
    45%  { transform: translateY(-50%) translateX(-6px); }
    60%  { transform: translateY(-50%) translateX(4px); }
    75%  { transform: translateY(-50%) translateX(-2px); }
    100% { transform: translateY(-50%) translateX(0); }
}