/* =====================================================
   MODULE: ANIMATIONS
   Always-on effects when toggle is active.
   Typewriter titles, number counters, shimmer,
   status pulses, staggered entrances — all instant.
   No scroll-trigger. All scoped under body.anim-on.
   ===================================================== */

/* ============= ACCESSIBILITY ============= */
@media (prefers-reduced-motion: reduce) {
    body.anim-on *,
    body.anim-on *::before,
    body.anim-on *::after {
        animation-duration: 0.01ms !important;
        animation-delay: 0ms !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
    }
}

/* ============= TIMING VARIABLES ============= */
body.anim-on {
    --anim-dur: 0.6s;
    --anim-stagger: 80ms;
    --anim-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --anim-ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============= KEYFRAMES ============= */
@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes scale-in {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes pop-in {
    from { opacity: 0; transform: scale(0); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes slide-left {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes grow-up {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}
@keyframes draw-in {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes type-in {
    to { opacity: 1; }
}
@keyframes status-pulse {
    0%, 100% { box-shadow: 0 0 0 0 currentColor; opacity: 1; }
    50% { box-shadow: 0 0 0 4px transparent; opacity: 0.7; }
}
@keyframes text-shimmer {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}
@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ============= TYPEWRITER — section titles ============= */
body.anim-on .tw-char {
    opacity: 0;
    animation: type-in 0.01s steps(1) forwards;
    animation-delay: calc(var(--ci) * 35ms);
}
body.anim-on .tw-cursor {
    display: inline-block;
    width: 2px;
    height: 0.7em;
    background: var(--accent);
    margin-left: 2px;
    vertical-align: baseline;
    opacity: 0;
    animation: blink-cursor 0.7s step-end infinite;
    animation-delay: calc(var(--tw-len, 20) * 35ms + 300ms);
}

/* ============= STAT CARDS — staggered fade-in-up ============= */
body.anim-on .stat-card {
    animation: fade-in-up var(--anim-dur) var(--anim-ease) both;
    animation-delay: calc(var(--stagger-index, 0) * var(--anim-stagger));
}

/* ============= KPI CIRCLES — staggered scale-in ============= */
body.anim-on .kpi-circle {
    animation: scale-in var(--anim-dur) var(--anim-ease-bounce) both;
    animation-delay: calc(var(--stagger-index, 0) * var(--anim-stagger));
}

/* ============= KPI MINI — staggered pop-in ============= */
body.anim-on .kpi-mini {
    animation: fade-in-up calc(var(--anim-dur) * 0.7) var(--anim-ease-bounce) both;
    animation-delay: calc(var(--stagger-index, 0) * 60ms);
}

/* ============= TABLE ROWS — staggered slide from left (NOT spreadsheet) ============= */
body.anim-on .table:not(.spreadsheet) tbody tr,
body.anim-on .data-table tbody tr {
    animation: slide-left var(--anim-dur) var(--anim-ease) both;
    animation-delay: calc(var(--stagger-index, 0) * var(--anim-stagger));
}

/* ============= ALERT BOXES — slide from left ============= */
body.anim-on .alert {
    animation: slide-left var(--anim-dur) var(--anim-ease) both;
    animation-delay: calc(var(--stagger-index, 0) * var(--anim-stagger));
}

/* ============= CARDS — fade in (opacity only, preserves hover transforms) ============= */
body.anim-on .glass-card,
body.anim-on .card,
body.anim-on .card-interactive {
    animation: fade-in var(--anim-dur) var(--anim-ease) both;
}

/* ============= BADGES — pop in ============= */
body.anim-on .badge,
body.anim-on .badge-btn {
    animation: pop-in calc(var(--anim-dur) * 0.5) var(--anim-ease-bounce) both;
    animation-delay: calc(var(--stagger-index, 0) * 60ms);
}

/* ============= NAVIGATION ITEMS — fade in up ============= */
body.anim-on .nav-btn {
    animation: fade-in-up var(--anim-dur) var(--anim-ease) both;
    animation-delay: calc(var(--stagger-index, 0) * var(--anim-stagger));
}

/* ============= AVATAR GROUP — pop in ============= */
body.anim-on .avatar-group .avatar {
    animation: pop-in calc(var(--anim-dur) * 0.5) var(--anim-ease-bounce) both;
    animation-delay: calc(var(--stagger-index, 0) * 60ms);
}

/* ============= BAR CHART — grow up ============= */
body.anim-on .bar-chart-bar {
    transform-origin: bottom;
    animation: grow-up calc(var(--anim-dur) * 1.2) var(--anim-ease) both;
    animation-delay: calc(var(--stagger-index, 0) * var(--anim-stagger));
}

/* ============= DIVIDERS — draw in from center ============= */
body.anim-on .divider,
body.anim-on hr {
    animation: draw-in var(--anim-dur) var(--anim-ease) both;
}

/* ============= PROGRESS BARS — fill from zero ============= */
body.anim-on .progress-bar {
    transition: width 1.2s var(--anim-ease);
}

/* ============= STATUS DOTS — pulse (always-on loop) ============= */
body.anim-on .cell-status.active::before {
    animation: status-pulse 2s ease-in-out infinite;
}

/* ============= DISPLAY TEXT — gradient shimmer (always-on loop) ============= */
body.anim-on .display-accent,
body.anim-on .display-glow {
    background: linear-gradient(
        90deg,
        var(--accent) 0%,
        var(--text-primary) 45%,
        var(--accent) 55%,
        var(--text-primary) 100%
    );
    background-size: 300% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: text-shimmer 3s ease infinite;
}

/* ============= ACCORDION — bounce on open ============= */
body.anim-on .accordion-item.open .accordion-body {
    animation: fade-in-up 0.3s var(--anim-ease-bounce);
}

/* ============= FORM — focus underline ============= */
body.anim-on .form-group {
    position: relative;
}
body.anim-on .form-group::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s var(--anim-ease), left 0.3s var(--anim-ease);
    border-radius: 1px;
}
body.anim-on .form-group:focus-within::after {
    width: 100%;
    left: 0;
}

/* ============= RETRO THEME — opacity only (no transforms) ============= */
[data-theme="retro"] body.anim-on .stat-card,
[data-theme="retro"] body.anim-on .kpi-circle,
[data-theme="retro"] body.anim-on .kpi-mini,
[data-theme="retro"] body.anim-on .table:not(.spreadsheet) tbody tr,
[data-theme="retro"] body.anim-on .data-table tbody tr,
[data-theme="retro"] body.anim-on .alert,
[data-theme="retro"] body.anim-on .badge,
[data-theme="retro"] body.anim-on .badge-btn,
[data-theme="retro"] body.anim-on .nav-btn,
[data-theme="retro"] body.anim-on .avatar-group .avatar,
[data-theme="retro"] body.anim-on .bar-chart-bar {
    animation-name: fade-in !important;
}

/* ============= HOMEBREW THEME — green cursor ============= */
[data-theme="homebrew"] body.anim-on .tw-cursor {
    background: #00ff00;
}