/* ==========================================================================
   BLOSSOM - Components
   Buttons, cards, and reusable UI elements
   ========================================================================== */

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gold), var(--color-orange));
    color: var(--color-bg-dark);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--color-bg-dark);
}

.btn-outline {
    background: transparent;
    color: var(--color-gold);
    border: var(--border-medium) solid var(--color-gold);
}

.btn-outline:hover {
    background: var(--color-gold);
    color: var(--color-bg-dark);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

/* Listen button with icon */
.btn-listen {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.btn-listen svg {
    transition: transform var(--transition-fast);
}

.btn-listen:hover svg {
    transform: scale(1.2);
}

/* ==========================================================================
   Lightbox
   ========================================================================== */

.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
}

.lightbox.active {
    display: flex;
    flex-direction: column;
    animation: lightbox-backdrop-in 320ms ease both;
}

/* Declared after .active so it wins at equal specificity. */
.lightbox.is-closing {
    animation: lightbox-backdrop-out 420ms ease both;
}

@keyframes lightbox-backdrop-in {
    from { background-color: rgba(0, 0, 0, 0); }
    to { background-color: rgba(0, 0, 0, 0.95); }
}

@keyframes lightbox-backdrop-out {
    from { background-color: rgba(0, 0, 0, 0.95); }
    to { background-color: rgba(0, 0, 0, 0); }
}

/* While the photo is flying between the thumbnail and the lightbox, the
   chrome stays out of the way -- only the photo should be moving.
   !important because the caption's opacity is set inline by the crossfade
   used when stepping between photos. */
.lightbox-close,
.lightbox-nav,
.lightbox-caption {
    transition: opacity 240ms ease;
}

.lightbox.is-zooming .lightbox-close,
.lightbox.is-zooming .lightbox-nav,
.lightbox.is-zooming .lightbox-caption,
.lightbox.is-closing .lightbox-close,
.lightbox.is-closing .lightbox-nav,
.lightbox.is-closing .lightbox-caption {
    opacity: 0 !important;
    pointer-events: none;
}

/* The photo itself is animated from JS (FLIP), so only the backdrop and the
   chrome need muting here. */
@media (prefers-reduced-motion: reduce) {

    .lightbox.active,
    .lightbox.is-closing {
        animation: none;
    }

    .lightbox-close,
    .lightbox-nav,
    .lightbox-caption {
        transition: none;
    }
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: calc(90vh - 60px);
    object-fit: contain;
    border-radius: var(--radius-md);
}

.lightbox-content video,
.lightbox-video {
    max-width: 100%;
    max-height: calc(90vh - 60px);
    border-radius: var(--radius-md);
    background: var(--color-bg-dark);
}

.lightbox-content video:focus {
    outline: none;
}

.lightbox-caption {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: var(--text-lg);
    color: var(--color-cream);
    text-align: center;
    margin-top: var(--space-4);
    padding: 0 var(--space-4);
    opacity: 0.9;
    letter-spacing: var(--tracking-wide);
    max-width: 600px;
    transition: opacity var(--transition-normal);
}

.lightbox-caption:empty {
    display: none;
}

.lightbox-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-overlay-dark);
    border-radius: var(--radius-full);
    color: var(--color-cream);
    font-size: var(--text-2xl);
    z-index: var(--z-modal);
}

.lightbox-close:hover {
    background: var(--color-gold);
    color: var(--color-bg-dark);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-overlay-dark);
    border-radius: var(--radius-full);
    color: var(--color-cream);
    transition: all var(--transition-normal);
}

.lightbox-nav:hover {
    background: var(--color-gold);
    color: var(--color-bg-dark);
}

.lightbox-prev {
    left: var(--space-4);
}

.lightbox-next {
    right: var(--space-4);
}

/* ==========================================================================
   Back to Top Button
   ========================================================================== */

.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gold);
    border-radius: var(--radius-full);
    color: var(--color-bg-dark);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-sticky);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    color: var(--color-bg-dark);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}