/* assets/css/app.css */

:root {
    --color-primary: #534AB7;
    --color-primary-dark: #3C3489;
    --color-primary-light: #EEEDFE;
    --color-success: #1D9E75;
    --color-success-light: #E1F5EE;
    --color-danger: #D85A30;
    --color-danger-light: #FAECE7;
    --color-warning: #BA7517;
    --color-warning-light: #FAEEDA;
    --color-info: #185FA5;
    --color-info-light: #E6F1FB;
    --color-bg: #f4f3fb;
    --color-surface: #ffffff;
    --color-border: rgba(0,0,0,.10);
    --color-text: #1a1830;
    --color-text-muted: #6b6b80;
    --color-text-light: #9d9db0;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.07);
    --shadow-md: 0 4px 12px rgba(83,74,183,.10);
    --sidebar-w: 220px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ── Dark mode ───────────────────────────────────────── */
body.dark-mode {
    --color-bg: #0f0e17;
    --color-surface: #1a1828;
    --color-border: rgba(255,255,255,.08);
    --color-text: #e8e6f0;
    --color-text-muted: #9390a8;
    --color-text-light: #6b6880;
    --color-primary-light: #2a2650;
    --color-success-light: #0d2e22;
    --color-danger-light: #2e1410;
    --color-warning-light: #2e2008;
    --color-info-light: #0d1e33;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,.4);
}
body.dark-mode .sidebar        { background: #13111f; border-color: var(--color-border); }
body.dark-mode .card           { background: var(--color-surface); border-color: var(--color-border); }
body.dark-mode .form-control   { background: #22203a; border-color: var(--color-border); color: var(--color-text); }
body.dark-mode .form-control:focus { border-color: var(--color-primary); background: #2a2850; }
body.dark-mode table thead tr  { background: #1e1c30; }
body.dark-mode table tbody tr:hover { background: rgba(255,255,255,.03); }
body.dark-mode .btn            { border-color: var(--color-border); }
body.dark-mode .btn:not(.btn-primary):not(.btn-success):not(.btn-danger) { background: #22203a; color: var(--color-text); }
body.dark-mode .modal          { background: #1a1828; }
body.dark-mode .modal-header   { border-color: var(--color-border); }
body.dark-mode .txn-item       { border-color: var(--color-border); }
body.dark-mode .nav-link:hover { background: rgba(255,255,255,.06); }
body.dark-mode .nav-link.active { background: var(--color-primary-light); }
body.dark-mode .metric-card    { background: var(--color-surface); border-color: var(--color-border); }
body.dark-mode select option   { background: #1a1828; }

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

body {
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 14px;
    line-height: 1.5;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ─────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }

/* ── Sidebar ─────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    min-width: var(--sidebar-w);
    background: #fff;
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
    transform: translateX(calc(-1 * var(--sidebar-w)));
    transition: transform .22s ease, box-shadow .22s ease;
    box-shadow: none;
}
.sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(83,74,183,.15);
}

/* Toggle button fixed on left edge */
.sidebar-toggle-btn {
    position: fixed;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    z-index: 200;
    background: var(--color-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    padding: 14px 6px;
    border-radius: 0 8px 8px 0;
    font-size: 18px;
    line-height: 1;
    transition: background .15s, left .22s ease;
}
.sidebar-toggle-btn:hover { background: var(--color-primary-dark); }
.sidebar-toggle-btn.shifted { left: var(--sidebar-w); }

.sidebar-logo {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--color-border);
}
.sidebar-logo .app-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-logo .app-sub {
    font-size: 11px;
    color: var(--color-text-light);
    margin-top: 2px;
    padding-left: 24px;
}

.sidebar-section {
    font-size: 10px;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: .06em;
    padding: 16px 20px 6px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    font-size: 13.5px;
    color: var(--color-text-muted);
    transition: background .15s, color .15s;
    border-right: 3px solid transparent;
}
.nav-link:hover { background: var(--color-primary-light); color: var(--color-primary); text-decoration: none; }
.nav-link.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 500;
    border-right-color: var(--color-primary);
}
.nav-link i { font-size: 17px; width: 20px; }

.sidebar-footer {
    margin-top: auto;
    padding: 16px 20px;
    border-top: 1px solid var(--color-border);
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 600;
    flex-shrink: 0;
}
.user-name { font-size: 13px; font-weight: 500; }
.user-role { font-size: 11px; color: var(--color-text-light); }

/* ── Mobile top bar ──────────────────────────────────── */
.mobile-topbar {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 52px;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    z-index: 200;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
}
.mobile-topbar .app-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    flex: 1;
}
.hamburger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--color-text);
    font-size: 22px;
    line-height: 1;
}

/* ── Sidebar overlay (mobile) ────────────────────────── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 99;
}

/* ── Main content ────────────────────────────────────── */
.main-content {
    margin-left: 0;
    flex: 1;
    padding: 28px 32px 28px 42px;
    max-width: 100%;
    min-width: 0;
}

/* ── Page header ─────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-title { font-size: 20px; font-weight: 600; }
.page-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ── Metrics ─────────────────────────────────────────── */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.metric-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    box-shadow: var(--shadow-sm);
}
.metric-label { font-size: 12px; color: var(--color-text-muted); margin-bottom: 6px; }
.metric-value { font-size: 24px; font-weight: 600; color: var(--color-text); line-height: 1.2; }
.metric-sub   { font-size: 11px; color: var(--color-text-light); margin-top: 4px; }
.metric-card.accent { background: var(--color-primary); border-color: var(--color-primary); }
.metric-card.accent .metric-label,
.metric-card.accent .metric-value,
.metric-card.accent .metric-sub { color: rgba(255,255,255,.9); }
.metric-card.accent .metric-value { color: #fff; }

/* ── Cards ───────────────────────────────────────────── */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    overflow: hidden;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 8px;
}
.card-title { font-size: 14px; font-weight: 600; }
.card-body  { padding: 20px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

/* ── Table ───────────────────────────────────────────── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th {
    text-align: left;
    padding: 10px 12px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    background: #fafafa;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}
td {
    padding: 10px 12px;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #faf9ff; }

/* ── Badges ──────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 500;
    padding: 3px 9px;
    border-radius: 20px;
    white-space: nowrap;
}
.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-danger  { background: var(--color-danger-light);  color: var(--color-danger);  }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-info    { background: var(--color-info-light);    color: var(--color-info);    }
.badge-purple  { background: var(--color-primary-light); color: var(--color-primary); }
.badge-gray    { background: #f1f0f9; color: var(--color-text-muted); }

/* ── Buttons ─────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: #fff;
    color: var(--color-text);
    cursor: pointer;
    transition: background .15s;
    white-space: nowrap;
    text-decoration: none;
}
.btn:hover { background: #f5f4fc; text-decoration: none; }
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-success { background: var(--color-success); color: #fff; border-color: var(--color-success); }
.btn-danger  { background: var(--color-danger);  color: #fff; border-color: var(--color-danger);  }
.btn-warning { background: var(--color-warning); color: #fff; border-color: var(--color-warning); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.w-100  { width: 100%; justify-content: center; }

/* ── Forms ───────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 5px; }
.form-control {
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
    color: var(--color-text);
    transition: border-color .15s, box-shadow .15s;
    font-family: var(--font);
    -webkit-appearance: none;
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(83,74,183,.12);
}
select.form-control { cursor: pointer; }
.form-row   { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.form-text  { font-size: 12px; color: var(--color-text-light); margin-top: 4px; }

/* ── Alerts ──────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.alert-success { background: var(--color-success-light); color: var(--color-success); border: 1px solid rgba(29,158,117,.2); }
.alert-danger  { background: var(--color-danger-light);  color: var(--color-danger);  border: 1px solid rgba(216,90,48,.2); }
.alert-warning { background: var(--color-warning-light); color: var(--color-warning); border: 1px solid rgba(186,117,23,.2); }
.alert-info    { background: var(--color-info-light);    color: var(--color-info);    border: 1px solid rgba(24,95,165,.2); }

/* ── Wallet hero ─────────────────────────────────────── */
.wallet-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: 24px;
    color: #fff;
    margin-bottom: 20px;
}
.wallet-hero .label  { font-size: 12px; opacity: .75; margin-bottom: 6px; }
.wallet-hero .amount { font-size: 32px; font-weight: 700; letter-spacing: -.5px; }
.wallet-hero .sub    { font-size: 12px; opacity: .6; margin-top: 4px; }

/* ── Transaction list ────────────────────────────────── */
.txn-list { padding: 0 20px; }
.txn-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    gap: 8px;
}
.txn-item:last-child { border-bottom: none; }
.txn-left  { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.txn-icon  {
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; flex-shrink: 0;
}
.txn-title { font-size: 13.5px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.txn-meta  { font-size: 12px; color: var(--color-text-light); }
.amount-pos { font-size: 14px; font-weight: 600; color: var(--color-success); white-space: nowrap; }
.amount-neg { font-size: 14px; font-weight: 600; color: var(--color-danger);  white-space: nowrap; }

/* ── Stock badges ────────────────────────────────────── */
.stock-ok  { background: var(--color-success-light); color: var(--color-success); }
.stock-low { background: var(--color-warning-light); color: var(--color-warning); }
.stock-out { background: var(--color-danger-light);  color: var(--color-danger);  }

/* ── Modal ───────────────────────────────────────────── */
.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 300;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.modal-backdrop.open { display: flex; } /* legacy support */
.modal {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 24px;
    width: 100%;
    max-width: 460px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 12px 40px rgba(0,0,0,.18);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.modal-title  { font-size: 16px; font-weight: 600; }
.modal-close  { cursor: pointer; font-size: 22px; color: var(--color-text-muted); line-height: 1; background: none; border: none; }
.modal-footer { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }

/* ── Login ───────────────────────────────────────────── */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    padding: 16px;
}
.login-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 40px;
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow-md);
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo .app-icon {
    width: 52px; height: 52px;
    background: var(--color-primary-light);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    color: var(--color-primary);
    margin: 0 auto 10px;
}
.login-logo h1 { font-size: 20px; font-weight: 600; }
.login-logo p  { font-size: 13px; color: var(--color-text-muted); }

/* ── Helpers ─────────────────────────────────────────── */
.text-muted   { color: var(--color-text-muted); }
.text-light   { color: var(--color-text-light); }
.text-success { color: var(--color-success); }
.text-danger  { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-primary { color: var(--color-primary); }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fs-12  { font-size: 12px; }
.fs-13  { font-size: 13px; }
.mt-4   { margin-top: 4px; }
.mt-8   { margin-top: 8px; }
.mt-16  { margin-top: 16px; }
.mb-0   { margin-bottom: 0; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.justify-between { justify-content: space-between; }
.p-16   { padding: 16px; }
.p-20   { padding: 20px; }
.mono   { font-family: monospace; font-size: 12px; }

/* ════════════════════════════════════════════════════════
   MOBILE RESPONSIVE — 768px and below
   ════════════════════════════════════════════════════════ */
@media (max-width: 768px) {

  /* Show mobile top bar */
  .mobile-topbar { display: flex; }

  /* On mobile sidebar opened via hamburger only */
  .sidebar-toggle-btn { display: none; }
  .sidebar {
    transform: translateX(-100%);
    top: 0;
    z-index: 200;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,.2);
  }

  /* Show overlay when sidebar is open */
  .sidebar-overlay.open { display: block; }

  /* Main content full width, push down for topbar */
  .main-content {
    margin-left: 0;
    max-width: 100%;
    padding: 16px;
    padding-top: 68px;
  }

  /* Grids become single column */
  .grid-2, .grid-3, .form-row, .form-row-3 {
    grid-template-columns: 1fr;
  }

  /* Metrics 2 per row on phone */
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .metric-value { font-size: 18px; }

  /* Page header stack */
  .page-header { flex-direction: column; align-items: flex-start; }
  .page-actions { width: 100%; }

  /* Tables — allow horizontal scroll */
  .table-wrap { overflow-x: auto; }
  table { min-width: 500px; }
  th, td { padding: 8px 10px; font-size: 12px; }

  /* Buttons full width in stacked forms */
  .page-actions .btn { flex: 1; justify-content: center; }

  /* Login card padding */
  .login-card { padding: 28px 20px; }

  /* Modal full width */
  .modal { padding: 20px 16px; }
  .modal-footer { flex-direction: column; }
  .modal-footer .btn { width: 100%; justify-content: center; }

  /* Wallet hero smaller text */
  .wallet-hero .amount { font-size: 24px; }

  /* Card body padding smaller */
  .card-body { padding: 14px; }
  .card-header { padding: 12px 14px; }

  /* Alert font */
  .alert { font-size: 12px; }

  /* Hide long sidebar footer text */
  .user-role { display: none; }
}

@media (max-width: 400px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .metric-value { font-size: 22px; }
}