/* =========================================================
   G3Flow — Industrial Architect Design System
   Shared Utility Classes. Required on every page.
   See DESIGN.md for the full spec.
   ========================================================= */

:root {
    --g3-primary: #006a6a;
    --g3-primary-container: #6dc4c4;
    --g3-primary-fixed-dim: #7ed5d5;
    --g3-on-primary: #ffffff;
    --g3-secondary-container: #dae0ea;
    --g3-secondary-fixed: #dde3ec;
    --g3-surface: #fbf8fc;
    --g3-surface-container-lowest: #ffffff;
    --g3-surface-container-low: #f5f3f7;
    --g3-surface-container: #efedf1;
    --g3-surface-container-high: #eae7eb;
    --g3-surface-container-highest: #e4e2e6;
    --g3-on-surface: #1b1b1e;
    --g3-on-surface-variant: #3e4949;
    --g3-outline: #6e7979;
    --g3-outline-variant: #bdc9c8;
    --g3-error: #ba1a1a;
    --g3-error-container: #ffdad6;
    --g3-on-error-container: #93000a;
    --g3-inverse-surface: #303033;
    --g3-inverse-on-surface: #f2f0f4;

    /* Legacy aliases (kept for backwards compat with app.css / phase modules) */
    --g3-accent: var(--g3-primary-container);
    --g3-surface-base: var(--g3-surface);
    --g3-surface-lowest: var(--g3-surface-container-lowest);
    --g3-surface-low: var(--g3-surface-container-low);
    --g3-surface-high: var(--g3-surface-container-high);
    --g3-surface-highest: var(--g3-surface-container-highest);
    --g3-text: var(--g3-on-surface);
    --g3-text-secondary: var(--g3-on-surface-variant);
    --g3-text-muted: var(--g3-outline);
    --g3-success: var(--g3-primary);
    --g3-ghost-border: rgba(189, 201, 200, 0.15);
    --g3-shadow: 0 10px 30px rgba(27, 27, 30, 0.06);
    --g3-shadow-sm: 0 2px 8px rgba(27, 27, 30, 0.05);
    --g3-shadow-lg: 0 16px 48px rgba(27, 27, 30, 0.10);
    --g3-radius: 0.75rem;
    --g3-radius-sm: 0.5rem;
    --g3-radius-pill: 9999px;
    --g3-transition: 0.2s ease;
}

html, body {
    background: var(--g3-surface);
    color: var(--g3-on-surface);
    font-family: "Inter", "Arial", sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, .g3-headline {
    font-family: "Space Grotesk", sans-serif;
    letter-spacing: -0.01em;
}

.material-symbols-outlined {
    font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
    vertical-align: middle;
}

/* ── Glassmorphism Header ──────────────────────────────── */
.g3-header-glass {
    background: rgba(251, 248, 252, 0.70);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* ── Surface Cards ─────────────────────────────────────── */
.g3-card {
    background: var(--g3-surface-container-lowest);
    border-radius: 0.75rem;
    transition: background 0.2s ease, transform 0.2s ease;
}
.g3-card:hover { background: var(--g3-surface-container-low); }

.g3-card-low {
    background: var(--g3-surface-container-low);
    border-radius: 0.75rem;
}

.g3-card-high {
    background: var(--g3-surface-container-highest);
    border-radius: 0.75rem;
}

/* ── Status Pillars (4px left edge, DESIGN.md §5) ─────── */
.g3-pillar-primary  { border-left: 4px solid var(--g3-primary); }
.g3-pillar-error    { border-left: 4px solid var(--g3-error); }
.g3-pillar-secondary{ border-left: 4px solid var(--g3-outline); }
.g3-pillar-running  { border-left: 4px solid var(--g3-primary); }
.g3-pillar-stopped  { border-left: 4px solid var(--g3-outline-variant); }
.g3-pillar-starting { border-left: 4px solid #f59e0b; }
.g3-pillar-delayed  { border-left: 4px solid var(--g3-error); }

/* ── Signature Gradient Button (DESIGN.md §5) ─────────── */
.g3-btn-primary {
    background: linear-gradient(135deg, var(--g3-primary), var(--g3-primary-container));
    color: var(--g3-on-primary);
    font-weight: 600;
    border-radius: 0.75rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.g3-btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 10px 30px rgba(0, 106, 106, 0.20);
}
.g3-btn-primary:active:not(:disabled) { transform: scale(0.98); }
.g3-btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.g3-btn-secondary {
    background: var(--g3-secondary-container);
    color: #5d636b;
    font-weight: 500;
    border-radius: 0.75rem;
    transition: background 0.2s ease;
}
.g3-btn-secondary:hover { background: #cfd5df; }

.g3-btn-tonal {
    background: var(--g3-surface-container-high);
    color: var(--g3-on-surface);
    font-weight: 500;
    border-radius: 0.75rem;
    transition: background 0.2s ease;
}
.g3-btn-tonal:hover { background: var(--g3-surface-container-highest); }

.g3-btn-tertiary {
    background: transparent;
    color: var(--g3-primary);
    font-weight: 600;
    border-radius: 0.75rem;
    transition: background 0.2s ease;
}
.g3-btn-tertiary:hover { background: rgba(0, 106, 106, 0.08); }

/* ── Input Fields (DESIGN.md §5) ──────────────────────── */
.g3-input {
    background: var(--g3-surface-container-highest);
    color: var(--g3-on-surface);
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    transition: box-shadow 0.2s ease;
    width: 100%;
}
.g3-input::placeholder { color: var(--g3-outline); }
.g3-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 106, 106, 0.40);
}

.g3-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--g3-on-surface-variant);
    margin-bottom: 0.375rem;
    letter-spacing: 0.02em;
}

/* ── Technical Data Chips (DESIGN.md §5) ──────────────── */
.g3-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.15rem 0.5rem;
    background: var(--g3-secondary-fixed);
    color: #161c23;
    border-radius: 0.25rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-family: "Inter", sans-serif;
}
.g3-chip-primary { background: rgba(109, 196, 196, 0.35); color: var(--g3-primary); }
.g3-chip-error   { background: var(--g3-error-container); color: var(--g3-on-error-container); }
.g3-chip-outline { background: var(--g3-surface-container-high); color: var(--g3-on-surface-variant); }

/* ── Status Dots ──────────────────────────────────────── */
.g3-dot { width: 0.5rem; height: 0.5rem; border-radius: 9999px; display: inline-block; }
.g3-dot-running  { background: #22c55e; box-shadow: 0 0 6px rgba(34, 197, 94, 0.5); }
.g3-dot-stopped  { background: #9ca3af; }
.g3-dot-starting { background: #f59e0b; animation: g3-pulse 1.5s ease-in-out infinite; }
.g3-dot-error    { background: var(--g3-error); animation: g3-pulse 1.5s ease-in-out infinite; }

@keyframes g3-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}

/* ── Icon Spinner ─────────────────────────────────────── */
@keyframes g3-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}
.g3-spin { animation: g3-spin 1s linear infinite; display: inline-block; }

/* ── Industrial Decoration (Hero background) ─────────── */
.g3-hero {
    position: relative;
    overflow: hidden;
    background: var(--g3-surface-container-low);
    border-radius: 0.75rem;
}
.g3-hero-skew {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 33%;
    background: rgba(0, 106, 106, 0.05);
    transform: skewX(-12deg) translateX(2.5rem);
    pointer-events: none;
}
.g3-hero-watermark {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 55%;
    height: 100%;
    pointer-events: none;
    background-image: url("/shared/assets/login-hero.png");
    background-size: cover;
    background-position: center;
    opacity: 0.22;
    filter: grayscale(85%) contrast(1.08);
    mix-blend-mode: multiply;
    -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 95%);
    mask-image: linear-gradient(to left, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 95%);
}
.g3-hero-watermark > * { display: none; }

/* ── Bottom Mobile Nav ────────────────────────────────── */
.g3-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: var(--g3-surface);
    box-shadow: 0 -4px 20px rgba(27, 27, 30, 0.04);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0.5rem 1rem env(safe-area-inset-bottom);
}
.g3-bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.25rem 1rem;
    border-radius: 0.75rem;
    color: #5d636b;
    font-size: 0.7rem;
    font-weight: 500;
    font-family: "Inter", sans-serif;
    transition: background 0.2s ease;
}
.g3-bottom-nav a.active {
    background: rgba(109, 196, 196, 0.20);
    color: var(--g3-primary);
}
.g3-bottom-nav a .material-symbols-outlined { font-size: 22px; margin-bottom: 2px; }
.g3-bottom-nav a.active .material-symbols-outlined { font-variation-settings: "FILL" 1; }

/* ── Timeline (DESIGN.md dashboard pattern) ──────────── */
.g3-timeline {
    position: relative;
    padding-left: 1.5rem;
}
.g3-timeline::before {
    content: "";
    position: absolute;
    left: 11px;
    top: 0.5rem;
    bottom: 0.5rem;
    width: 2px;
    background: rgba(189, 201, 200, 0.30);
}
.g3-timeline-item { position: relative; }
.g3-timeline-dot {
    position: absolute;
    left: -19px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 9999px;
    background: var(--g3-outline-variant);
    box-shadow: 0 0 0 4px var(--g3-surface);
}
.g3-timeline-dot.now {
    width: 20px;
    height: 20px;
    left: -21px;
    background: var(--g3-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.g3-timeline-dot.now::after {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 9999px;
    background: #fff;
    animation: g3-pulse 1.5s ease-in-out infinite;
}

/* ── Sidebar (Desktop) ────────────────────────────────── */
.g3-sidebar {
    background: var(--g3-surface-container-high);
    width: 16rem;
    min-height: 100vh;
    position: fixed;
    inset: 0 auto 0 0;
    display: flex;
    flex-direction: column;
    z-index: 40;
}
.g3-sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    margin: 0 0.5rem;
    border-radius: 0.75rem;
    color: var(--g3-on-surface-variant);
    font-size: 0.875rem;
    font-weight: 500;
    transition: background 0.2s ease, color 0.2s ease;
    text-decoration: none;
}
.g3-sidebar-item:hover { background: var(--g3-surface-container-highest); color: var(--g3-on-surface); }
.g3-sidebar-item.active {
    background: rgba(109, 196, 196, 0.20);
    color: var(--g3-primary);
    border-left: 4px solid var(--g3-primary);
    padding-left: calc(0.75rem - 4px);
}

/* ── Modal Overlay ────────────────────────────────────── */
.g3-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(27, 27, 30, 0.35);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
}
/* Tailwind's .hidden must win over any component's explicit display:... */
.hidden { display: none !important; }
.g3-modal {
    background: var(--g3-surface-container-lowest);
    border-radius: 1rem;
    padding: 2rem;
    max-width: 32rem;
    width: calc(100% - 2rem);
    box-shadow: 0 20px 60px rgba(27, 27, 30, 0.08);
}

/* ── Top Progress Bar (indeterminate) ────────────────── */
.g3-topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 3px;
    z-index: 9999;
    background: rgba(0, 106, 106, 0.08);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.18s ease;
    overflow: hidden;
}
.g3-topbar.active { opacity: 1; }
.g3-topbar-inner {
    position: absolute;
    inset: 0;
    width: 40%;
    background: linear-gradient(90deg, transparent, var(--g3-primary), var(--g3-primary-container));
    animation: g3-topbar-slide 1.4s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}
@keyframes g3-topbar-slide {
    0%   { left: -45%; }
    100% { left: 105%; }
}

/* ── Busy Overlay Panel ──────────────────────────────── */
.g3-busy-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(27, 27, 30, 0.25);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
}
.g3-busy-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}
.g3-busy-panel {
    background: var(--g3-surface-container-lowest);
    border-radius: 1rem;
    padding: 1.75rem 2rem;
    min-width: 260px;
    max-width: 380px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(27, 27, 30, 0.14);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}
.g3-busy-icon {
    font-size: 44px !important;
}
.g3-busy-label {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--g3-on-surface);
    line-height: 1.3;
}
.g3-busy-detail {
    font-size: 0.85rem;
    color: var(--g3-on-surface-variant);
    min-height: 1.2em;
}
.g3-busy-bar {
    width: 100%;
    height: 6px;
    background: var(--g3-surface-container-high);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.25rem;
}
.g3-busy-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--g3-primary), var(--g3-primary-container));
    transition: width 0.2s ease;
    border-radius: 3px;
}

/* ── Toast ────────────────────────────────────────────── */
.g3-toast {
    position: fixed;
    bottom: 5rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.75rem 1.25rem;
    border-radius: 0.75rem;
    background: var(--g3-inverse-surface, #303033);
    color: var(--g3-inverse-on-surface, #f2f0f4);
    font-size: 0.875rem;
    z-index: 100;
    box-shadow: 0 10px 30px rgba(27, 27, 30, 0.20);
    animation: g3-toast-in 0.2s ease;
}
.g3-toast.error { background: var(--g3-error); color: #fff; }
.g3-toast.success {
    background: rgba(0, 106, 106, 0.95);
    color: #fff;
}
@keyframes g3-toast-in {
    from { opacity: 0; transform: translate(-50%, 1rem); }
    to   { opacity: 1; transform: translate(-50%, 0); }
}

/* ── Logo Lockup ──────────────────────────────────────── */
.g3-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.g3-logo-mark {
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    background: var(--g3-primary);
    color: var(--g3-on-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}