/*
 * MOPA Design System
 * Shared visual language for every module.
 * Loaded after app.css so these tokens and components become the canonical layer.
 */

:root {
    /* Brand */
    --mopa-brand-50: #f5f1ff;
    --mopa-brand-100: #ede5ff;
    --mopa-brand-200: #ddccff;
    --mopa-brand-300: #c4a4ff;
    --mopa-brand-400: #a879ff;
    --mopa-brand-500: #8b5cf6;
    --mopa-brand-600: #7c3aed;
    --mopa-brand-700: #6d28d9;

    /* Semantic colors */
    --mopa-success: #6ee7b7;
    --mopa-success-bg: rgba(52, 211, 153, .12);
    --mopa-warning: #fbbf24;
    --mopa-warning-bg: rgba(251, 191, 36, .12);
    --mopa-danger: #fb7185;
    --mopa-danger-bg: rgba(251, 113, 133, .12);
    --mopa-info: #7dd3fc;
    --mopa-info-bg: rgba(125, 211, 252, .12);

    /* Surfaces */
    --mopa-bg: #09090b;
    --mopa-surface-1: #141419;
    --mopa-surface-2: #1b1b22;
    --mopa-surface-3: #23232c;
    --mopa-surface-hover: #292933;
    --mopa-border: rgba(255, 255, 255, .08);
    --mopa-border-strong: rgba(255, 255, 255, .14);

    /* Typography */
    --mopa-text: #f7f7fb;
    --mopa-text-muted: #a7a7b2;
    --mopa-text-subtle: #777783;
    --mopa-font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --mopa-fs-xs: .75rem;
    --mopa-fs-sm: .875rem;
    --mopa-fs-md: 1rem;
    --mopa-fs-lg: 1.125rem;
    --mopa-fs-xl: 1.35rem;
    --mopa-fs-2xl: clamp(1.75rem, 5vw, 2.5rem);
    --mopa-fs-display: clamp(2rem, 7vw, 3.3rem);

    /* Spacing */
    --mopa-space-1: 4px;
    --mopa-space-2: 8px;
    --mopa-space-3: 12px;
    --mopa-space-4: 16px;
    --mopa-space-5: 20px;
    --mopa-space-6: 24px;
    --mopa-space-7: 32px;
    --mopa-space-8: 40px;

    /* Shape */
    --mopa-radius-sm: 10px;
    --mopa-radius-md: 15px;
    --mopa-radius-lg: 22px;
    --mopa-radius-xl: 30px;
    --mopa-radius-pill: 999px;

    /* Elevation */
    --mopa-shadow-sm: 0 8px 22px rgba(0, 0, 0, .18);
    --mopa-shadow-md: 0 18px 45px rgba(0, 0, 0, .28);
    --mopa-shadow-brand: 0 12px 28px rgba(139, 92, 246, .34);

    /* Motion */
    --mopa-ease: cubic-bezier(.2, .8, .2, 1);
    --mopa-duration-fast: 140ms;
    --mopa-duration: 220ms;
    --mopa-duration-slow: 320ms;

    /* Backward-compatible aliases */
    --bg: var(--mopa-bg);
    --surface: var(--mopa-surface-1);
    --surface-2: var(--mopa-surface-2);
    --border: var(--mopa-border);
    --text: var(--mopa-text);
    --muted: var(--mopa-text-muted);
    --accent: var(--mopa-brand-500);
    --accent-2: var(--mopa-brand-400);
    --danger: var(--mopa-danger);
    --radius: var(--mopa-radius-lg);
    --shadow: var(--mopa-shadow-md);
}

html { color-scheme: dark; }
body {
    background: var(--mopa-bg);
    color: var(--mopa-text);
    font-family: var(--mopa-font);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

::selection { background: rgba(139, 92, 246, .38); color: #fff; }

/* Typography */
.mopa-display,
.mopa-title,
.mopa-heading,
.mopa-subheading {
    margin: 0;
    color: var(--mopa-text);
    letter-spacing: -.025em;
}
.mopa-display { font-size: var(--mopa-fs-display); line-height: 1.02; font-weight: 900; }
.mopa-title { font-size: var(--mopa-fs-2xl); line-height: 1.08; font-weight: 850; }
.mopa-heading { font-size: var(--mopa-fs-xl); line-height: 1.2; font-weight: 800; }
.mopa-subheading { font-size: var(--mopa-fs-lg); line-height: 1.3; font-weight: 750; }
.mopa-body { color: var(--mopa-text); font-size: var(--mopa-fs-md); }
.mopa-muted { color: var(--mopa-text-muted); }
.mopa-caption { color: var(--mopa-text-muted); font-size: var(--mopa-fs-sm); }
.mopa-eyebrow {
    color: var(--mopa-brand-400);
    font-size: var(--mopa-fs-xs);
    font-weight: 850;
    letter-spacing: .14em;
    text-transform: uppercase;
}

/* Page layout */
.mopa-page {
    display: grid;
    gap: var(--mopa-space-5);
}
.mopa-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--mopa-space-4);
    margin-bottom: var(--mopa-space-2);
}
.mopa-page-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--mopa-space-3);
}
.mopa-grid { display: grid; gap: var(--mopa-space-4); }
.mopa-grid-2 { display: grid; gap: var(--mopa-space-4); }

/* Cards */
.mopa-card {
    background: var(--mopa-surface-1);
    border: 1px solid var(--mopa-border);
    border-radius: var(--mopa-radius-lg);
    padding: var(--mopa-space-5);
    box-shadow: var(--mopa-shadow-sm);
}
.mopa-card--interactive {
    transition: transform var(--mopa-duration) var(--mopa-ease),
                border-color var(--mopa-duration) var(--mopa-ease),
                background-color var(--mopa-duration) var(--mopa-ease);
}
.mopa-card--interactive:hover {
    transform: translateY(-2px);
    border-color: var(--mopa-border-strong);
    background: #17171d;
}
.mopa-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--mopa-space-4);
    margin-bottom: var(--mopa-space-4);
}
.mopa-card__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: var(--mopa-space-3);
    margin-top: var(--mopa-space-5);
}

/* Buttons */
.mopa-btn {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--mopa-space-2);
    border: 1px solid transparent;
    border-radius: var(--mopa-radius-md);
    padding: 11px 16px;
    color: #fff;
    background: var(--mopa-surface-3);
    font-weight: 800;
    line-height: 1;
    text-align: center;
    cursor: pointer;
    transition: transform var(--mopa-duration-fast) var(--mopa-ease),
                background-color var(--mopa-duration-fast) var(--mopa-ease),
                border-color var(--mopa-duration-fast) var(--mopa-ease),
                opacity var(--mopa-duration-fast) var(--mopa-ease);
}
.mopa-btn:hover { transform: translateY(-1px); background: var(--mopa-surface-hover); }
.mopa-btn:active { transform: translateY(0) scale(.98); }
.mopa-btn:focus-visible { outline: 3px solid rgba(139, 92, 246, .32); outline-offset: 2px; }
.mopa-btn[disabled], .mopa-btn.is-disabled { opacity: .5; pointer-events: none; }
.mopa-btn--primary { background: var(--mopa-brand-500); box-shadow: var(--mopa-shadow-brand); }
.mopa-btn--primary:hover { background: var(--mopa-brand-600); }
.mopa-btn--secondary { border-color: var(--mopa-border); background: var(--mopa-surface-2); }
.mopa-btn--ghost { color: var(--mopa-brand-300); background: transparent; }
.mopa-btn--success { color: #07150e; background: var(--mopa-success); }
.mopa-btn--danger { color: #fff; background: var(--mopa-danger); }
.mopa-btn--danger-outline { color: #fda4af; background: var(--mopa-danger-bg); border-color: rgba(251, 113, 133, .35); }
.mopa-btn--small { min-height: 38px; padding: 9px 13px; font-size: var(--mopa-fs-sm); border-radius: 12px; }
.mopa-btn--block { width: 100%; }
.mopa-icon-btn {
    width: 44px;
    height: 44px;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--mopa-border);
    border-radius: 14px;
    color: var(--mopa-text);
    background: var(--mopa-surface-2);
}

/* Badges */
.mopa-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 28px;
    padding: 5px 10px;
    border: 1px solid var(--mopa-border);
    border-radius: var(--mopa-radius-pill);
    color: var(--mopa-text-muted);
    background: var(--mopa-surface-3);
    font-size: var(--mopa-fs-xs);
    font-weight: 750;
    white-space: nowrap;
}
.mopa-badge--brand { color: var(--mopa-brand-200); background: rgba(139, 92, 246, .13); border-color: rgba(139, 92, 246, .28); }
.mopa-badge--success { color: #a7f3d0; background: var(--mopa-success-bg); border-color: rgba(52, 211, 153, .28); }
.mopa-badge--warning { color: #fde68a; background: var(--mopa-warning-bg); border-color: rgba(251, 191, 36, .28); }
.mopa-badge--danger { color: #fecdd3; background: var(--mopa-danger-bg); border-color: rgba(251, 113, 133, .28); }
.mopa-badge--info { color: #bae6fd; background: var(--mopa-info-bg); border-color: rgba(125, 211, 252, .28); }

/* Forms */
.mopa-field { display: grid; gap: var(--mopa-space-2); }
.mopa-label { color: var(--mopa-text); font-size: var(--mopa-fs-sm); font-weight: 800; }
.mopa-hint { color: var(--mopa-text-muted); font-size: var(--mopa-fs-xs); }
.mopa-input,
.mopa-select,
.mopa-textarea {
    width: 100%;
    min-height: 50px;
    border: 1px solid var(--mopa-border);
    border-radius: var(--mopa-radius-md);
    padding: 13px 15px;
    color: var(--mopa-text);
    background: var(--mopa-surface-2);
    outline: none;
    transition: border-color var(--mopa-duration-fast), box-shadow var(--mopa-duration-fast), background-color var(--mopa-duration-fast);
}
.mopa-textarea { min-height: 120px; resize: vertical; }
.mopa-input::placeholder,
.mopa-textarea::placeholder { color: var(--mopa-text-subtle); }
.mopa-input:focus,
.mopa-select:focus,
.mopa-textarea:focus {
    border-color: var(--mopa-brand-500);
    background: var(--mopa-surface-3);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, .18);
}
.mopa-form-grid { display: grid; gap: var(--mopa-space-4); }
.mopa-search-row { display: grid; gap: var(--mopa-space-3); }

/* Alerts */
.mopa-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--mopa-space-3);
    padding: 13px 15px;
    border: 1px solid var(--mopa-border);
    border-radius: var(--mopa-radius-md);
    color: var(--mopa-text);
    background: var(--mopa-surface-2);
}
.mopa-alert--success { color: #d1fae5; background: var(--mopa-success-bg); border-color: rgba(52, 211, 153, .28); }
.mopa-alert--warning { color: #fef3c7; background: var(--mopa-warning-bg); border-color: rgba(251, 191, 36, .28); }
.mopa-alert--danger { color: #ffe4e6; background: var(--mopa-danger-bg); border-color: rgba(251, 113, 133, .28); }
.mopa-alert--info { color: #e0f2fe; background: var(--mopa-info-bg); border-color: rgba(125, 211, 252, .28); }

/* Empty states */
.mopa-empty {
    display: grid;
    justify-items: center;
    gap: var(--mopa-space-3);
    padding: var(--mopa-space-8) var(--mopa-space-5);
    border: 1px dashed var(--mopa-border-strong);
    border-radius: var(--mopa-radius-lg);
    color: var(--mopa-text-muted);
    text-align: center;
    background: rgba(255, 255, 255, .018);
}
.mopa-empty__icon {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    color: var(--mopa-brand-300);
    background: rgba(139, 92, 246, .12);
    font-size: 1.5rem;
}

/* Dividers and helpers */
.mopa-divider { height: 1px; margin: var(--mopa-space-5) 0; background: var(--mopa-border); }
.mopa-row { display: flex; align-items: center; gap: var(--mopa-space-3); }
.mopa-row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--mopa-space-3); }
.mopa-wrap { flex-wrap: wrap; }
.mopa-stack { display: grid; gap: var(--mopa-space-4); }
.mopa-sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Toasts */
.mopa-toast-region {
    position: fixed;
    z-index: 80;
    left: 50%;
    bottom: calc(96px + var(--safe-bottom));
    width: min(420px, calc(100% - 28px));
    display: grid;
    gap: var(--mopa-space-3);
    transform: translateX(-50%);
    pointer-events: none;
}
.mopa-toast {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--mopa-space-3);
    padding: 14px 16px;
    border: 1px solid var(--mopa-border-strong);
    border-radius: var(--mopa-radius-md);
    color: var(--mopa-text);
    background: rgba(27, 27, 34, .96);
    box-shadow: var(--mopa-shadow-md);
    backdrop-filter: blur(16px);
    opacity: 0;
    transform: translateY(12px) scale(.98);
    transition: opacity var(--mopa-duration) var(--mopa-ease), transform var(--mopa-duration) var(--mopa-ease);
    pointer-events: auto;
}
.mopa-toast.is-visible { opacity: 1; transform: translateY(0) scale(1); }
.mopa-toast--success { border-color: rgba(52, 211, 153, .34); }
.mopa-toast--danger { border-color: rgba(251, 113, 133, .34); }
.mopa-toast__close { border: 0; color: var(--mopa-text-muted); background: transparent; font-size: 1.1rem; }

/* Dialog */
.mopa-dialog-backdrop {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(0, 0, 0, .66);
    backdrop-filter: blur(8px);
}
.mopa-dialog {
    width: min(100%, 460px);
    border: 1px solid var(--mopa-border-strong);
    border-radius: var(--mopa-radius-xl);
    padding: var(--mopa-space-6);
    color: var(--mopa-text);
    background: var(--mopa-surface-1);
    box-shadow: var(--mopa-shadow-md);
}
.mopa-dialog__actions { display: grid; grid-template-columns: 1fr 1fr; gap: var(--mopa-space-3); margin-top: var(--mopa-space-6); }

/* Skeletons */
.mopa-skeleton {
    position: relative;
    overflow: hidden;
    min-height: 18px;
    border-radius: 8px;
    background: var(--mopa-surface-2);
}
.mopa-skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.07), transparent);
    animation: mopa-shimmer 1.45s infinite;
}
@keyframes mopa-shimmer { 100% { transform: translateX(100%); } }

@media (min-width: 720px) {
    .mopa-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mopa-form-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mopa-search-row { grid-template-columns: minmax(0, 1fr) auto auto; align-items: end; }
}

@media (max-width: 619px) {
    .mopa-page-header { display: grid; }
    .mopa-page-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mopa-page-actions .mopa-btn { width: 100%; }
    .mopa-card { padding: var(--mopa-space-4); border-radius: 18px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}