/* ==========================================================================
   DESIGN COMPONENT LIBRARY (UI KIT) CSS
   ========================================================================== */

/* 1. BUTTONS */
.ui-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-ghost {
    background: transparent;
    color: var(--color-light);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}
.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-dark);
}

.btn-text {
    background: transparent;
    color: var(--color-accent);
    padding: 0.5rem 0;
    border-radius: 0;
    border-bottom: 1px solid transparent;
}
.btn-text:hover {
    border-bottom-color: var(--color-accent);
}

.btn-danger {
    background: #8b0000;
    color: white;
}
.btn-danger:hover { background: #a50000; }

.btn-success {
    background: #1B4D3E;
    color: white;
}
.btn-success:hover { background: #236551; }

/* 2. INPUTS */
.ui-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    width: 100%;
}
.ui-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}
.ui-input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--color-light);
    font-family: var(--font-sans);
    transition: var(--transition-fast);
}
.ui-input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.05);
}
.ui-input.has-icon {
    padding-left: 3rem;
}
.ui-input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

/* 3. CARDS */
.ui-card {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    overflow: hidden;
    text-decoration: none;
    transition: var(--transition-smooth);
    height: 100%;
}
.ui-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}
.ui-card-image {
    width: 100%;
    aspect-ratio: 16/9;
    position: relative;
    overflow: hidden;
}
.ui-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}
.ui-card:hover .ui-card-image img {
    transform: scale(1.05);
}
.ui-card-play {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    opacity: 0;
    transition: var(--transition-smooth);
}
.ui-card:hover .ui-card-play {
    opacity: 1;
}
.ui-card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.ui-card-meta {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}
.ui-card-title {
    font-size: 1.5rem;
    color: var(--color-light);
    margin-bottom: 1rem;
    line-height: 1.3;
}
.ui-card-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-top: auto;
}

/* 4. BADGES */
.ui-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.badge-default { background: rgba(255,255,255,0.1); color: var(--color-light); }
.badge-accent { background: rgba(201,162,39,0.1); color: var(--color-accent); }
.badge-success { background: rgba(27,77,62,0.2); color: #4ade80; }
.badge-danger { background: rgba(139,0,0,0.2); color: #f87171; }

/* 5. TABS */
.ui-tabs { width: 100%; }
.ui-tabs-header {
    display: flex;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 2rem;
    gap: 2rem;
}
.ui-tab-btn {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    font-size: 1rem;
    padding: 1rem 0;
    cursor: pointer;
    position: relative;
    transition: var(--transition-fast);
}
.ui-tab-btn:hover { color: var(--color-light); }
.ui-tab-btn.active { color: var(--color-accent); }
.ui-tab-btn::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: var(--transition-fast);
}
.ui-tab-btn.active::after { transform: scaleX(1); }
.ui-tab-pane {
    display: none;
    animation: fadeIn var(--transition-fast);
}
.ui-tab-pane.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* 6. MODAL */
.ui-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 4, 4, 0.95);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}
.ui-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.ui-modal-container {
    background: #111;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    padding: 3rem;
    position: relative;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}
.ui-modal-overlay.active .ui-modal-container { transform: translateY(0); }
.ui-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}
.ui-modal-close:hover { color: var(--color-light); transform: rotate(90deg); }

/* 7. STATES */
.ui-loading { display: flex; justify-content: center; padding: 3rem; }
.ui-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.ui-skeleton-card {
    background: rgba(255,255,255,0.02);
    border-radius: 6px;
    padding: 1.5rem;
    animation: pulse 2s infinite ease-in-out;
}
.ui-skeleton-img { width: 100%; height: 200px; background: rgba(255,255,255,0.05); border-radius: 4px; margin-bottom: 1.5rem; }
.ui-skeleton-text { height: 12px; background: rgba(255,255,255,0.05); border-radius: 2px; margin-bottom: 0.75rem; }
.ui-skeleton-text.short { width: 40%; }
.ui-skeleton-text.long { width: 90%; }
.ui-skeleton-text.medium { width: 70%; }
@keyframes pulse { 0% { opacity: 0.5; } 50% { opacity: 1; } 100% { opacity: 0.5; } }

.ui-empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(255,255,255,0.02);
    border: 1px dashed rgba(255,255,255,0.1);
    border-radius: 8px;
}
.ui-empty-icon { color: rgba(255,255,255,0.1); margin-bottom: 1rem; display: inline-block; }

/* 8. SPECIFICS */
.ui-bible-verse {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 100%);
    border-left: 2px solid var(--color-accent);
    border-radius: 4px;
}
.ui-bible-verse h4 { font-size: 1.75rem; line-height: 1.4; font-weight: 300; margin-bottom: 1.5rem; }

.ui-cta-small {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    background: var(--color-dark);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
}