/* ============================================================
   React Systems Inventory — main.css
   Merged from: layouts/main, dashboard/index, auth/login, auth/register
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

/* ── Design tokens ─────────────────────────────────────────── */
:root {
    --bg:        #ffffff;
    --surface:   #ffffff;
    --surface2:  #f1f5f9;
    --border:    #e2e8f0;
    --accent:    #f5a623;
    --accent2:   #e8391e;
    --text:      #0f172a;
    --muted:     #64748b;
    --success:   #16a34a;
    --danger:    #dc2626;
    --mono:      'Share Tech Mono', monospace;
    --sans:      'Oswald', sans-serif;
    --radius:    4px;
    --glow:      0 0 20px rgba(245,166,35,.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-size: 15px;
    min-height: 100vh;
    line-height: 1.6;
}

/* ── Auth background ──────────────────────────────────────── */
body.auth-bg {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow-y: auto;
    padding: 2rem 1rem;
}

body.auth-bg::after {
    content: '';
    position: fixed;
    bottom: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245,166,35,.15) 0%, transparent 70%);
    pointer-events: none;
}

/* ── Auth wrapper ─────────────────────────────────────────── */
.auth-wrap {
    width: 100%;
    max-width: 400px;
    padding: 1rem;
    position: relative;
    z-index: 1;
}

.auth-wrap.wide {
    max-width: 440px;
}

.brand {
    text-align: center;
    margin-bottom: 2.5rem;
}

.brand h1 {
    font-family: var(--mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 6px;
    text-transform: uppercase;
}

.brand p {
    font-family: var(--mono);
    font-size: .65rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--muted);
    margin-top: .3rem;
}

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-family: var(--mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
}

.nav-brand span { color: var(--text); }

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-company {
    font-family: var(--mono);
    font-size: .75rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--surface2);
    padding: .3rem .7rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.nav-company span { color: var(--accent); }

.nav-info {
    font-family: var(--mono);
    font-size: .68rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--surface2);
    padding: .3rem .75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.nav-info span { color: var(--accent); }

.btn-logout {
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    padding: .35rem .8rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all .2s;
}

.btn-logout:hover {
    color: var(--danger);
    border-color: var(--danger);
}

/* ── Main wrapper (layout shell) ──────────────────────────── */
.main { padding: 2rem; max-width: 1200px; margin: 0 auto; }

/* ── Dashboard layout grid ────────────────────────────────── */
.layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 0;
    min-height: calc(100vh - 58px);
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 1.5rem;
}

.sidebar-section {
    margin-bottom: 2rem;
}

.section-title {
    font-family: var(--mono);
    font-size: .65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 1px solid var(--border);
}

/* ── Dashboard content area ───────────────────────────────── */
.content { padding: 1.5rem; }

/* ── Page header ──────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.page-title {
    font-family: var(--mono);
    font-size: .75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
}

.page-subtitle {
    font-size: .82rem;
    color: var(--muted);
    margin-top: .2rem;
}

/* ── Search row ───────────────────────────────────────────── */
.search-row {
    display: flex;
    gap: .6rem;
    margin-bottom: 1.2rem;
}

.search-row input {
    flex: 1;
    font-size: .88rem;
}

/* ── Stats ────────────────────────────────────────────────── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    margin-bottom: .6rem;
    position: relative;
    overflow: hidden;
}

.stat-card.danger .stat-value { color: var(--danger); }

.stat-label {
    font-family: var(--mono);
    font-size: .6rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: .3rem;
}

.stat-value {
    font-family: var(--mono);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
}

/* ── Alerts ───────────────────────────────────────────────── */
.alert {
    padding: .85rem 1rem;
    border-radius: var(--radius);
    border-left: 3px solid;
    font-size: .875rem;
    margin-bottom: 1.5rem;
    font-family: var(--mono);
    font-size: .78rem;
    letter-spacing: .3px;
}

.alert-success {
    background: rgba(34,197,94,.08);
    border-color: var(--success);
    color: var(--success);
}

.alert-danger {
    background: rgba(239,68,68,.08);
    border-color: var(--danger);
    color: var(--danger);
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
}

.card-title {
    font-family: var(--mono);
    font-size: .75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.2rem;
    padding-bottom: .75rem;
    border-bottom: 1px solid var(--border);
}

.card-header {
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
    padding-bottom: .75rem;
    border-bottom: 1px solid var(--border);
}

/* ── Forms ────────────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }

label {
    display: block;
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: .4rem;
}

input, select {
    width: 100%;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--sans);
    font-size: .9rem;
    padding: .6rem .9rem;
    outline: none;
    transition: border-color .18s;
}

input:focus, select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(245,166,35,.25);
}

select { cursor: pointer; }
select option { background: var(--surface2); }

.field-error {
    font-size: .75rem;
    color: var(--danger);
    margin-top: .3rem;
    font-family: var(--mono);
}

.hint {
    font-size: .78rem;
    color: var(--muted);
    margin-top: .3rem;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .6rem 1.2rem;
    border: none;
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .18s;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #0d0f12;
}

.btn-primary:hover {
    background: #fbb63a;
    box-shadow: var(--glow);
    transform: translateY(-1px);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: .35rem .75rem;
}

.btn-danger:hover {
    background: rgba(239,68,68,.12);
}

.btn-ghost {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
    padding: .35rem .75rem;
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-submit {
    width: 100%;
    margin-top: .5rem;
    padding: .8rem;
    background: var(--accent);
    color: #0d0f12;
    border: none;
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .18s;
}

.btn-submit:hover {
    background: #fbb63a;
    box-shadow: 0 0 20px rgba(245,166,35,.25);
    transform: translateY(-1px);
}

.btn-submit:active { transform: translateY(0); }

.btn-add {
    width: 100%;
    padding: .65rem;
    background: var(--accent);
    color: #0d0f12;
    border: none;
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .18s;
    margin-top: .4rem;
}

.btn-add:hover {
    background: #fbb63a;
    box-shadow: 0 0 16px rgba(245,166,35,.3);
    transform: translateY(-1px);
}

.btn-search {
    padding: .55rem 1rem;
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: .68rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .18s;
    white-space: nowrap;
}

.btn-search:hover { background: rgba(245,166,35,.15); }

.btn-clear {
    padding: .55rem 1rem;
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: .68rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: all .18s;
}

.btn-clear:hover { border-color: var(--muted); color: var(--text); }

.btn-save {
    padding: .28rem .65rem;
    background: transparent;
    color: var(--accent);
    border: 1px solid rgba(245,166,35,.4);
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: .62rem;
    letter-spacing: .5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .18s;
}

.btn-save:hover { background: rgba(245,166,35,.15); border-color: var(--accent); }

.btn-del {
    padding: .28rem .6rem;
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: .62rem;
    letter-spacing: .5px;
    text-transform: uppercase;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all .18s;
}

.btn-del:hover { color: var(--danger); border-color: rgba(239,68,68,.4); }

/* ── Table ────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

.table-wrap.solid {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: .88rem;
}

thead {
    background: var(--surface2);
    border-bottom: 1px solid var(--border);
}

thead th {
    font-family: var(--mono);
    font-size: .65rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--muted);
    padding: .75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background .12s;
}

tbody tr:last-child { border-bottom: none; }

tbody tr:hover { background: var(--surface2); }

tbody td {
    padding: .8rem 1rem;
    vertical-align: middle;
}

/* ── Badges ───────────────────────────────────────────────── */
.badge {
    display: inline-block;
    font-family: var(--mono);
    font-size: .65rem;
    letter-spacing: 1px;
    padding: .2rem .55rem;
    border-radius: 2px;
    border: 1px solid;
}

.badge-ok  { color: var(--success); border-color: rgba(34,197,94,.3); background: rgba(34,197,94,.08); }
.badge-low { color: var(--accent);  border-color: rgba(245,166,35,.3); background: rgba(245,166,35,.08); }
.badge-out { color: var(--danger);  border-color: rgba(239,68,68,.3);  background: rgba(239,68,68,.08);  }

/* ── Inline qty form ──────────────────────────────────────── */
.qty-form {
    display: flex;
    align-items: center;
    gap: .4rem;
}

.qty-form input {
    width: 75px;
    padding: .3rem .5rem;
    font-family: var(--mono);
    font-size: .85rem;
    text-align: center;
}

/* ── Empty state ──────────────────────────────────────────── */
.empty {
    text-align: center;
    padding: 3rem;
    color: var(--muted);
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: 1px;
}

.empty-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: .75rem;
    opacity: .3;
}

/* ── Content helpers ──────────────────────────────────────── */
.item-name {
    font-weight: 500;
    color: var(--text);
}

.item-sku {
    font-family: var(--mono);
    font-size: .7rem;
    color: var(--muted);
    margin-top: .15rem;
}

.added-by {
    font-size: .78rem;
    color: var(--muted);
}

.date {
    font-family: var(--mono);
    font-size: .68rem;
    color: var(--muted);
}

.mono { font-family: var(--mono); }

/* ── Link row ─────────────────────────────────────────────── */
.link-row {
    text-align: center;
    margin-top: 1.5rem;
    font-size: .83rem;
    color: var(--muted);
}

.link-row a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.link-row a:hover { text-decoration: underline; }

/* ── Responsive ───────────────────────────────────────────── */
/* ── Modal ──────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.modal-title {
    font-family: var(--mono);
    font-size: .75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
}

.modal-close {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    padding: .3rem .6rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-family: var(--mono);
    font-size: .65rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.modal-close:hover {
    border-color: var(--danger);
    color: var(--danger);
}

.modal-body {
    margin-bottom: 1rem;
}

.modal-body .form-group {
    margin-bottom: .85rem;
}

.modal-footer {
    display: flex;
    gap: .6rem;
    justify-content: flex-end;
    padding-top: .75rem;
    border-top: 1px solid var(--border);
}

.btn-update {
    padding: .35rem .75rem;
    background: var(--accent);
    color: #0d0f12;
    border: none;
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .18s;
}

.btn-update:hover {
    background: #fbb63a;
    box-shadow: var(--glow);
}

.btn-cancel {
    padding: .35rem .75rem;
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .18s;
}

.btn-cancel:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-edit {
    padding: .28rem .6rem;
    background: transparent;
    color: var(--accent);
    border: 1px solid rgba(245,166,35,.4);
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: .62rem;
    letter-spacing: .5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .18s;
    margin-right: .3rem;
}

.btn-edit:hover {
    background: rgba(245,166,35,.15);
    border-color: var(--accent);
}

@media (max-width: 768px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar { border-right: none; border-bottom: 1px solid var(--border); }
    .nav-info { display: none; }
    .nav-company { display: none; }
}

@media (max-width: 480px) {
    body.auth-bg {
        display: block;
        overflow-y: auto;
        padding: 1.5rem 1rem;
    }
    .auth-wrap {
        margin: 0 auto;
    }
    .brand {
        margin-bottom: 1.5rem;
    }
    .brand h1 {
        font-size: 1.4rem;
        letter-spacing: 3px;
    }
}