/* ============================================
   FloodWatch WebGIS — Animations & Effects
   ============================================ */

/* ---------- Keyframes ---------- */
@keyframes loadingPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 var(--primary-glow); }
    50% { transform: scale(1.05); box-shadow: 0 0 30px 10px var(--primary-glow); }
}

@keyframes tickerPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes waveRipple {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(3); opacity: 0; }
}

@keyframes floatBubble {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes raindrop {
    0% { transform: translateY(-10px); opacity: 0; }
    30% { opacity: 1; }
    100% { transform: translateY(10px); opacity: 0; }
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInLeft {
    from { transform: translateX(-100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes waterFlow {
    0% { background-position: 0 0; }
    100% { background-position: 200px 0; }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 4px var(--primary-glow); }
    50% { box-shadow: 0 0 16px var(--primary-glow), 0 0 32px rgba(33, 150, 243, 0.15); }
}

@keyframes alertPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ---------- Utility Animation Classes ---------- */
.animate-fade-in {
    animation: fadeIn 0.4s ease forwards;
}
.animate-fade-in-up {
    animation: fadeInUp 0.4s ease forwards;
}
.animate-slide-right {
    animation: slideInRight 0.35s ease forwards;
}
.animate-slide-left {
    animation: slideInLeft 0.35s ease forwards;
}
.animate-count-up {
    animation: countUp 0.5s ease forwards;
}

/* ---------- Loading Shimmer ---------- */
.shimmer {
    background: linear-gradient(90deg,
        var(--bg-card) 25%,
        var(--bg-hover) 50%,
        var(--bg-card) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* ---------- Map Marker Effects ---------- */
.flood-marker-pulse {
    position: relative;
}
.flood-marker-pulse::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    animation: waveRipple 2s ease-out infinite;
}

/* Critical flood glow */
.critical-glow {
    animation: alertPulse 2s ease-in-out infinite;
}

/* Water flow effect for active layers */
.water-flow-active {
    animation: pulseGlow 3s ease-in-out infinite;
}

/* ---------- Interactive Feedback ---------- */
.btn:active,
.tool-btn:active,
.action-btn:active {
    transform: scale(0.95);
}

.basemap-option:active {
    transform: scale(0.97);
}

/* Smooth hover transitions */
.layer-item,
.stat-badge,
.stat-card,
.chart-container,
.filter-checkbox {
    transition: all var(--transition-fast);
}

/* ---------- Tooltip ---------- */
.tooltip {
    position: absolute;
    padding: 6px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: var(--text-primary);
    white-space: nowrap;
    pointer-events: none;
    z-index: 9999;
    animation: fadeIn 0.15s ease;
    box-shadow: var(--shadow-md);
}

/* ---------- Water-themed decorative elements ---------- */
.water-decoration {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        transparent,
        var(--primary-glow),
        var(--accent),
        var(--primary-glow),
        transparent
    );
    background-size: 200% 100%;
    animation: waterFlow 4s linear infinite;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.5;
}

/* ---------- Notification Toast ---------- */
.toast {
    position: fixed;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 13px;
    box-shadow: var(--shadow-lg);
    z-index: 9000;
    opacity: 0;
    transition: all var(--transition-base);
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: 8px;
}
.toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.toast i {
    color: var(--primary);
}