/* ═══════════════════════════════════════════════
   Machine Stock Tracker — Global Styles
   ═══════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0; padding: 0;
    height: 100%;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 14px;
}

/* ── App Shell ── */
.app-shell {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    background: var(--neutral-layer-2, #1a1a1a);
    color: var(--neutral-foreground-rest, #ffffff);
}

/* ── Header ── */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding: 0 20px;
    background: var(--neutral-layer-floating, #292929);
    border-bottom: 1px solid var(--neutral-stroke-layer-rest, #333);
    flex-shrink: 0;
    z-index: 100;
}
.app-header-left {
    display: flex; align-items: center; gap: 10px;
}
.app-title {
    font-size: 15px; font-weight: 700;
    color: var(--neutral-foreground-rest, #fff);
    white-space: nowrap;
}
.app-header-right {
    display: flex; align-items: center; gap: 8px;
}

.header-alert-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 5px 12px; border-radius: 4px;
    border: 1px solid var(--warning-stroke-rest, #f0a500);
    background: transparent;
    color: var(--warning-foreground-rest, #f0a500);
    font-size: 13px; font-weight: 600;
    cursor: pointer; transition: background .15s;
}
.header-alert-btn:hover { background: rgba(240,165,0,.12); }

.header-icon-btn {
    display: flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; border-radius: 4px;
    border: none; background: transparent;
    color: var(--neutral-foreground-rest, #ccc);
    cursor: pointer; transition: background .15s;
}
.header-icon-btn:hover { background: var(--neutral-fill-stealth-hover, rgba(255,255,255,.08)); }

/* ── Body ── */
.app-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ── Sidebar ── */
.app-sidebar {
    width: 220px;
    flex-shrink: 0;
    background: var(--neutral-layer-floating, #292929);
    border-right: 1px solid var(--neutral-stroke-layer-rest, #333);
    display: flex;
    flex-direction: column;
    padding: 12px 8px;
    overflow-y: auto;
    gap: 2px;
}

.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px; border-radius: 6px;
    color: var(--neutral-foreground-rest, #ccc);
    text-decoration: none;
    font-size: 13px; font-weight: 500;
    transition: background .15s, color .15s;
    position: relative;
}
.nav-item:hover {
    background: var(--neutral-fill-stealth-hover, rgba(255,255,255,.08));
    color: var(--neutral-foreground-rest, #fff);
}
.nav-item.active {
    background: var(--accent-fill-rest, #0078d4);
    color: #fff;
    font-weight: 600;
}
.nav-item.nav-alert { color: var(--warning-foreground-rest, #f0a500); }
.nav-item.nav-alert.active { background: var(--error-fill-rest, #c50f1f); color: #fff; }

.nav-badge {
    margin-left: auto;
    background: var(--error-fill-rest, #c50f1f);
    color: #fff;
    border-radius: 10px;
    font-size: 10px; font-weight: 700;
    padding: 1px 6px; min-width: 18px;
    text-align: center;
}
.nav-item.active .nav-badge {
    background: rgba(255,255,255,.3);
}

.nav-divider {
    height: 1px;
    background: var(--neutral-stroke-layer-rest, #333);
    margin: 6px 4px;
}

/* ── Main Content ── */
.app-main {
    flex: 1;
    overflow-y: auto;
    padding: 28px;
    background: var(--neutral-layer-2, #202020);
}

/* ── Page Header ── */
.page-header {
    display: flex; align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap; gap: 12px;
}

/* ── Stat Cards ── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--neutral-layer-floating, #292929);
    border: 1px solid var(--neutral-stroke-layer-rest, #3a3a3a);
    border-radius: 10px;
    padding: 18px;
    display: flex; align-items: center; gap: 16px;
    transition: box-shadow .15s, border-color .15s;
}
.stat-card:hover {
    border-color: var(--accent-fill-rest, #0078d4);
    box-shadow: 0 4px 16px rgba(0,0,0,.25);
}
.stat-card.stat-warning { border-left: 3px solid var(--warning-fill-rest, #f0a500); }
.stat-card.stat-danger  { border-left: 3px solid var(--error-fill-rest, #c50f1f); }

.stat-icon {
    width: 48px; height: 48px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.stat-info { display: flex; flex-direction: column; gap: 2px; }
.stat-value { font-size: 30px; font-weight: 700; line-height: 1; }
.stat-label { font-size: 12px; color: var(--neutral-foreground-hint, #999); }

/* ── Dashboard Grid ── */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 960px) { .dashboard-grid { grid-template-columns: 1fr; } }

/* ── Card ── */
.card {
    background: var(--neutral-layer-floating, #292929);
    border: 1px solid var(--neutral-stroke-layer-rest, #3a3a3a);
    border-radius: 10px;
    padding: 20px;
}

.section-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 16px;
}
.section-title { font-size: 14px; font-weight: 700; }

/* ── Stock Rows ── */
.stock-row {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--neutral-stroke-layer-rest, #333);
}
.stock-row:last-child { border-bottom: none; }
.stock-info { min-width: 140px; }
.part-name  { display: block; font-weight: 600; font-size: 13px; }
.part-num   { display: block; font-size: 11px; color: var(--neutral-foreground-hint, #888); margin-top: 1px; }
.stock-bar-wrap { flex: 1; }
.stock-qty  { font-size: 12px; margin-top: 3px; }

/* ── Status Badges ── */
.badge {
    display: inline-flex; align-items: center;
    padding: 2px 9px; border-radius: 12px;
    font-size: 11px; font-weight: 700; white-space: nowrap;
}
.badge-success { background: rgba(16,124,16,.18); color: #4ec94e; border: 1px solid rgba(16,124,16,.3); }
.badge-warning { background: rgba(240,165,0,.15); color: #f0a500; border: 1px solid rgba(240,165,0,.3); }
.badge-danger  { background: rgba(197,15,31,.18); color: #ff6b6b; border: 1px solid rgba(197,15,31,.3); }
.badge-neutral { background: rgba(255,255,255,.1); color: #ccc; border: 1px solid rgba(255,255,255,.12); }

/* Status badge aliases used in pages */
.status-badge { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 12px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.badge-success, .status-badge.badge-success { background: rgba(16,124,16,.18); color: #4ec94e; border: 1px solid rgba(16,124,16,.3); }
.badge-warning, .status-badge.badge-warning { background: rgba(240,165,0,.15); color: #f0a500; border: 1px solid rgba(240,165,0,.3); }
.badge-danger,  .status-badge.badge-danger  { background: rgba(197,15,31,.18); color: #ff6b6b; border: 1px solid rgba(197,15,31,.3); }

/* ── Color Utilities ── */
.success-text { color: #4ec94e; }
.warning-text { color: #f0a500; }
.danger-text  { color: #ff6b6b; }
.text-muted   { color: var(--neutral-foreground-hint, #888); }
.fw-semibold  { font-weight: 600; }

/* ── Tables ── */
.data-table {
    width: 100%; border-collapse: collapse; font-size: 13px;
}
.data-table th {
    text-align: left; padding: 9px 14px;
    font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: .4px;
    color: var(--neutral-foreground-hint, #888);
    border-bottom: 1px solid var(--neutral-stroke-layer-rest, #333);
}
.data-table td {
    padding: 11px 14px; vertical-align: middle;
    border-bottom: 1px solid var(--neutral-stroke-layer-rest, #2e2e2e);
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: rgba(255,255,255,.04); }
.data-table .row-danger { background: rgba(197,15,31,.08); }

code {
    background: rgba(255,255,255,.08);
    padding: 2px 7px; border-radius: 4px;
    font-size: 12px; font-family: 'Cascadia Code','Consolas',monospace;
}

/* ── Empty States ── */
.empty-state {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 12px; padding: 48px; text-align: center;
    color: var(--neutral-foreground-hint, #666);
}
.empty-state p { margin: 0; font-size: 14px; }

.empty-state-small {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 16px; border-radius: 6px; margin-top: 12px;
    background: rgba(255,255,255,.04);
    color: var(--neutral-foreground-hint, #888);
    font-size: 13px;
}

/* ── Dialogs ── */
.dialog-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.65);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(3px);
}
.dialog-box {
    width: 560px; max-width: 95vw; max-height: 90vh;
    overflow-y: auto;
    background: var(--neutral-layer-floating, #2c2c2c);
    border: 1px solid var(--neutral-stroke-layer-rest, #3a3a3a);
    border-radius: 12px;
    box-shadow: 0 24px 64px rgba(0,0,0,.5);
    padding: 24px;
}
.dialog-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px;
}
.dialog-title { font-size: 16px; font-weight: 700; }
.dialog-close-btn {
    width: 28px; height: 28px; border-radius: 4px; border: none;
    background: transparent; cursor: pointer;
    color: var(--neutral-foreground-hint, #999);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; line-height: 1; transition: background .15s;
}
.dialog-close-btn:hover { background: rgba(255,255,255,.08); color: #fff; }
.dialog-body { display: flex; flex-direction: column; gap: 14px; }
.dialog-footer {
    display: flex; gap: 8px;
    margin-top: 24px; padding-top: 16px;
    border-top: 1px solid var(--neutral-stroke-layer-rest, #333);
}

/* ── Form Helpers ── */
.form-row { display: flex; gap: 12px; }

/* ── Produce Layout ── */
.produce-layout {
    display: grid; grid-template-columns: 360px 1fr;
    gap: 16px; margin-bottom: 16px;
}
@media (max-width: 900px) { .produce-layout { grid-template-columns: 1fr; } }

/* ── Machine Cards ── */
.machine-card {
    background: var(--neutral-layer-floating, #292929);
    border: 1px solid var(--neutral-stroke-layer-rest, #3a3a3a);
    border-radius: 10px;
    padding: 20px; margin-bottom: 14px;
}
.machine-card-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 12px; margin-bottom: 8px;
}
.machine-name { font-size: 15px; font-weight: 700; }
.machine-meta { font-size: 12px; color: var(--neutral-foreground-hint, #888); margin-top: 2px; }

/* ── Alert Cards ── */
.alert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 12px; margin-bottom: 24px;
}
.alert-card {
    background: var(--neutral-layer-floating, #292929);
    border-radius: 10px; padding: 16px;
    border-left: 4px solid;
}
.alert-card.alert-warning { border-color: #f0a500; background: rgba(240,165,0,.06); }
.alert-card.alert-danger  { border-color: #ff6b6b; background: rgba(197,15,31,.08); }
.alert-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.alert-card-body { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.alert-detail { display: flex; flex-direction: column; gap: 2px; }
.alert-detail-label { font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--neutral-foreground-hint, #888); }
.alert-reorder {
    display: flex; align-items: center; gap: 6px;
    margin-top: 12px; padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,.07);
    font-size: 12px; color: var(--neutral-foreground-hint, #888);
}

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 16px; border-radius: 6px;
    font-size: 13px; font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer; transition: all .15s;
    text-decoration: none; white-space: nowrap;
}
.btn-primary   { background: var(--accent-fill-rest, #0078d4); color: #fff; border-color: var(--accent-fill-rest, #0078d4); }
.btn-primary:hover { background: var(--accent-fill-hover, #1a86d8); }
.btn-outline   { background: transparent; color: var(--neutral-foreground-rest, #ccc); border-color: var(--neutral-stroke-rest, #555); }
.btn-outline:hover { background: rgba(255,255,255,.06); }
.btn-danger    { background: transparent; color: #ff6b6b; border-color: rgba(197,15,31,.4); }
.btn-danger:hover  { background: rgba(197,15,31,.12); }
.btn-ghost     { background: transparent; color: var(--neutral-foreground-hint, #999); border-color: transparent; }
.btn-ghost:hover   { background: rgba(255,255,255,.06); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ── Misc ── */
.stock-cell { min-width: 110px; }
.hyperlink { color: var(--accent-fill-rest, #4db6f0); text-decoration: none; font-size: 13px; }
.hyperlink:hover { text-decoration: underline; }