/* ============================================================
   GameZone Pro – site.css
   Crystal Retail Suite palette, DM Sans, dark/light themes
   ============================================================ */

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

/* ── CSS custom properties ─────────────────────────────────── */
:root {
    --crystal-teal:   #0F9B8E;
    --crystal-teal2:  #0D7A6E;
    --crystal-navy:   #0D1B2A;
    --crystal-gold:   #C4961F;
    --crystal-border: #D8D3CC;
    --crystal-hover:  #E8F5F3;

    --sidebar-width:  250px;
    --header-h:       64px;

    /* Light mode defaults */
    --sidebar-bg:      #FFFFFF;
    --sidebar-text:    #475569;
    --sidebar-divider: #E2E8F0;
    --sidebar-hover:   #E8F5F3;
    --sidebar-active:  #0F9B8E;

    --body-bg:         #F1F5F9;
    --card-bg:         #FFFFFF;
    --text-primary:    #0F172A;
    --text-muted:      #64748B;
    --border-color:    #E2E8F0;
    --input-bg:        #FFFFFF;
    --danger:          #EF4444;
    --warning:         #F59E0B;
    --success:         #10B981;
}

[data-theme="dark"] {
    --sidebar-bg:      #0D1B2A;
    --sidebar-text:    #94A3B8;
    --sidebar-divider: #1E293B;
    --sidebar-hover:   #162236;
    --sidebar-active:  #0F9B8E;

    --body-bg:         #0A1628;
    --card-bg:         #0D1B2A;
    --text-primary:    #F1F5F9;
    --text-muted:      #64748B;
    --border-color:    #1E293B;
    --input-bg:        #162236;
}

/* ── Reset / base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'DM Sans', 'Segoe UI', system-ui, sans-serif;
    background: var(--body-bg);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    transition: background .2s, color .2s;
}

/* ── App shell ──────────────────────────────────────────────── */
.app-shell {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-divider);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 100;
    transition: background .2s, border-color .2s;
    overflow-y: auto;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--sidebar-divider);
    text-decoration: none;
}

.brand-icon {
    width: 36px; height: 36px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--crystal-teal), var(--crystal-teal2));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 18px; flex-shrink: 0;
}

.brand-text {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -.3px;
}

.brand-accent { color: var(--crystal-teal); }

.sidebar-section-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 16px 20px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 16px 9px 20px;
    margin: 1px 8px;
    border-radius: 8px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    position: relative;
    transition: background .15s, color .15s;
    cursor: pointer;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: var(--crystal-teal);
    text-decoration: none;
}

.nav-item.active {
    background: rgba(15,155,142,.1);
    color: var(--crystal-teal);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 6px; bottom: 6px;
    width: 3px;
    background: var(--crystal-teal);
    border-radius: 0 3px 3px 0;
}

.nav-icon { width: 18px; text-align: center; font-size: 15px; flex-shrink: 0; }

.nav-badge {
    margin-left: auto;
    background: var(--crystal-teal);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    min-width: 18px; height: 18px;
    border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    padding: 0 5px;
}

.nav-badge-danger { background: var(--danger) !important; }

.sidebar-footer {
    margin-top: auto;
    padding: 12px 12px 16px;
    border-top: 1px solid var(--sidebar-divider);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
}

.sidebar-user:hover { background: var(--sidebar-hover); }

.user-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--crystal-teal), var(--crystal-teal2));
    color: #fff; font-weight: 700; font-size: 13px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

.user-name  { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.user-role  { font-size: 11px; color: var(--text-muted); }

/* ── Main content area ──────────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── Top header ─────────────────────────────────────────────── */
.top-header {
    height: var(--header-h);
    background: var(--card-bg);
    border-bottom: 2px solid var(--crystal-teal);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
    transition: background .2s;
}

.header-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
}

.header-meta {
    font-size: 12px;
    color: var(--text-muted);
    background: var(--body-bg);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 20px;
}

.header-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--crystal-teal), var(--crystal-teal2));
    color: #fff; font-weight: 700; font-size: 13px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
}

.btn-icon {
    width: 34px; height: 34px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    font-size: 15px;
    transition: background .15s, color .15s;
}

.btn-icon:hover { background: var(--sidebar-hover); color: var(--crystal-teal); }

/* ── Page body ──────────────────────────────────────────────── */
.page-body {
    padding: 24px;
    flex: 1;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 12px;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.page-sub {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ── Cards ──────────────────────────────────────────────────── */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: background .2s, border-color .2s;
}

.card-header-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn-primary {
    background: var(--crystal-teal);
    color: #fff;
    border: none;
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: background .15s;
}

.btn-primary:hover { background: var(--crystal-teal2); }

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: background .15s;
}

.btn-secondary:hover { background: var(--body-bg); }

.btn-danger {
    background: var(--danger);
    color: #fff;
    border: none;
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

/* ── Form controls ──────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 9px 12px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: border-color .15s, box-shadow .15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--crystal-teal);
    box-shadow: 0 0 0 3px rgba(15,155,142,.1);
}

.form-control.input-error { border-color: var(--danger); }

.field-error {
    color: var(--danger);
    font-size: 12px;
    margin-top: 4px;
    display: block;
}

/* ── Status badges ──────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-available  { background: rgba(16,185,129,.15); color: #059669; }
.badge-inuse      { background: rgba(15,155,142,.15);  color: var(--crystal-teal); }
.badge-maintenance{ background: rgba(245,158,11,.15);  color: #D97706; }
.badge-offline    { background: rgba(100,116,139,.15); color: #64748B; }
.badge-confirmed  { background: rgba(59,130,246,.15);  color: #2563EB; }
.badge-checkedin  { background: rgba(15,155,142,.15);  color: var(--crystal-teal); }
.badge-completed  { background: rgba(16,185,129,.15);  color: #059669; }
.badge-cancelled  { background: rgba(239,68,68,.15);   color: var(--danger); }
.badge-overdue    { background: rgba(239,68,68,.15);   color: var(--danger); }

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

table.gz-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.gz-table th {
    padding: 10px 12px;
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .6px;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.gz-table td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.gz-table tbody tr:last-child td { border-bottom: none; }
.gz-table tbody tr:hover td { background: rgba(15,155,142,.04); }

/* ── Toast notifications ────────────────────────────────────── */
#toast-container {
    position: fixed;
    bottom: 24px; right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast-msg {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 13.5px;
    font-weight: 500;
    color: #fff;
    min-width: 260px;
    max-width: 380px;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
    pointer-events: all;
    animation: toastIn .25s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast-msg.success { background: var(--success); }
.toast-msg.danger  { background: var(--danger); }
.toast-msg.warning { background: var(--warning); color: #1a1a1a; }
.toast-msg.info    { background: var(--crystal-teal); }

@keyframes toastIn {
    from { transform: translateX(40px); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

/* ── Session timeout warning ────────────────────────────────── */
#session-warning {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,.5);
    z-index: 8888;
    align-items: center;
    justify-content: center;
}

#session-warning.show { display: flex; }

.session-warn-box {
    background: var(--card-bg);
    border-radius: 14px;
    padding: 32px;
    max-width: 380px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
}

/* ── Login page ─────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('back_game.jpg') center center / cover no-repeat;
}

.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 24px 64px rgba(0,0,0,.25);
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    justify-content: center;
}

.login-brand-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--crystal-teal), var(--crystal-teal2));
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: #fff;
}

.login-brand-text {
    font-size: 22px;
    font-weight: 800;
    color: #0F172A;
    letter-spacing: -.5px;
}

.login-brand-text span { color: var(--crystal-teal); }

.login-subtitle {
    text-align: center;
    color: #64748B;
    font-size: 13.5px;
    margin-bottom: 28px;
    margin-top: -16px;
}

.login-card .form-label { color: #475569; }
.login-card .form-control { background: #F8FAFC; border-color: #E2E8F0; color: #0F172A; }
.login-card .form-control:focus { background: #fff; }

.login-error {
    background: rgba(239,68,68,.08);
    border: 1px solid rgba(239,68,68,.25);
    color: var(--danger);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}

.login-error.show { display: block; }

/* ── Subscription banner ────────────────────────────────────── */
.sub-banner {
    background: linear-gradient(90deg, rgba(196,150,31,.1), rgba(196,150,31,.05));
    border: 1px solid rgba(196,150,31,.3);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 12.5px;
    color: #92400E;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

/* ── Utility ────────────────────────────────────────────────── */
.text-muted   { color: var(--text-muted); }
.text-teal    { color: var(--crystal-teal); }
.text-danger  { color: var(--danger); }
.text-success { color: var(--success); }
.text-sm      { font-size: 12.5px; }
.fw-600       { font-weight: 600; }
.fw-700       { font-weight: 700; }
.mt-16        { margin-top: 16px; }
.mb-0         { margin-bottom: 0; }
.gap-8        { gap: 8px; }
.d-flex       { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ── Modals ─────────────────────────────────────────────────── */
.gz-modal {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,.5);
    z-index: 500;
    display: flex; align-items: center; justify-content: center;
}

.gz-modal-box {
    background: var(--card-bg);
    border-radius: 14px;
    padding: 28px;
    width: 90%; max-width: 520px;
    max-height: 90vh; overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
    position: relative;
}

.gz-modal-box.wide { max-width: 700px; }

.gz-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px; padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
}

.gz-modal-title { font-size: 16px; font-weight: 700; color: var(--text-primary); }

.gz-modal-close {
    width: 30px; height: 30px; border-radius: 6px;
    border: none; background: transparent;
    cursor: pointer; font-size: 18px; color: var(--text-muted);
    display: flex; align-items: center; justify-content: center;
}
.gz-modal-close:hover { background: var(--body-bg); color: var(--danger); }

.gz-modal-footer {
    display: flex; gap: 10px; justify-content: flex-end;
    margin-top: 20px; padding-top: 14px;
    border-top: 1px solid var(--border-color);
}

/* ── Stat cards ─────────────────────────────────────────────── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px 20px;
    display: flex; align-items: center; gap: 14px;
}

.stat-icon {
    width: 44px; height: 44px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; flex-shrink: 0;
}

.stat-icon.teal   { background: rgba(15,155,142,.12); }
.stat-icon.blue   { background: rgba(59,130,246,.12); }
.stat-icon.gold   { background: rgba(196,150,31,.12); }
.stat-icon.green  { background: rgba(16,185,129,.12); }
.stat-icon.red    { background: rgba(239,68,68,.12); }

.stat-value { font-size: 24px; font-weight: 700; color: var(--text-primary); line-height: 1.1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ── Resource cards ─────────────────────────────────────────── */
.res-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.res-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 14px;
    text-align: center;
    cursor: pointer;
    transition: border-color .15s, transform .1s;
}

.res-card:hover { transform: translateY(-1px); }
.res-card.available  { border-color: #10B981; }
.res-card.inuse      { border-color: var(--crystal-teal); }
.res-card.maintenance{ border-color: var(--warning); }
.res-card.offline    { border-color: #94A3B8; opacity: .7; }

.res-card-icon { font-size: 28px; margin-bottom: 6px; }
.res-card-name { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.res-card-info { font-size: 11px; color: var(--text-muted); margin-top: 3px; }

/* ── Payment method buttons ─────────────────────────────────── */
.pay-btn {
    flex: 1; padding: 12px 8px; border-radius: 8px;
    border: 2px solid var(--border-color);
    background: var(--card-bg); cursor: pointer;
    text-align: center; font-size: 13px; font-weight: 600;
    color: var(--text-muted); transition: border-color .15s, color .15s;
    font-family: inherit;
}
.pay-btn:hover, .pay-btn.selected {
    border-color: var(--crystal-teal);
    color: var(--crystal-teal);
    background: rgba(15,155,142,.06);
}

/* ── Receipt ────────────────────────────────────────────────── */
.receipt {
    background: var(--body-bg);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    padding: 16px;
    font-size: 13px;
}

.receipt-row {
    display: flex; justify-content: space-between;
    padding: 4px 0; color: var(--text-muted);
}

.receipt-row.total {
    border-top: 1px solid var(--border-color);
    margin-top: 6px; padding-top: 8px;
    font-weight: 700; font-size: 15px; color: var(--text-primary);
}

/* ── Rich resource cards (dashboard) ────────────────────────── */
.res-grid-rich {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}

.res-card-rich {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border-color .15s, transform .1s, box-shadow .15s;
}

.res-card-rich:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,.08); }
.res-card-rich.available   { border-color: var(--success); }
.res-card-rich.inuse       { border-color: var(--crystal-teal); }
.res-card-rich.maintenance { border-color: var(--warning); }
.res-card-rich.offline     { border-color: #94A3B8; opacity: .7; }
.res-card-rich.overdue     { border-color: var(--danger); }
.res-card-rich.ending-soon { border-color: var(--warning); }

.rcr-header { display: flex; align-items: flex-start; gap: 10px; }
.rcr-icon   { font-size: 24px; flex-shrink: 0; line-height: 1.2; }
.rcr-info   { flex: 1; min-width: 0; }
.rcr-name   { font-size: 13.5px; font-weight: 700; color: var(--text-primary); }
.rcr-sub    { font-size: 11px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.rcr-customer  { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.rcr-timerow   { margin-top: 3px; font-size: 12px; color: var(--text-muted); }
.rcr-timer     { font-size: 12.5px; font-weight: 700; margin-top: 4px; }
.rcr-timer.overdue-time { color: var(--danger); }
.rcr-timer.ending-time  { color: var(--warning); }
.rcr-timer.normal-time  { color: var(--success); }
.rcr-empty     { font-size: 12.5px; color: var(--text-muted); text-align: center; padding: 8px 0; }

.rcr-actions   { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 2px; }

/* ── XS action buttons ──────────────────────────────────────── */
.btn-xs {
    padding: 4px 10px; border-radius: 6px;
    font-size: 11.5px; font-weight: 600;
    cursor: pointer; font-family: inherit;
    text-decoration: none; display: inline-flex;
    align-items: center; border: none; white-space: nowrap;
}
.btn-xs-teal    { background: var(--crystal-teal); color: #fff; }
.btn-xs-teal:hover { background: var(--crystal-teal2); }
.btn-xs-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-primary); }
.btn-xs-outline:hover { background: var(--body-bg); }
.btn-xs-danger  { background: var(--danger); color: #fff; }
.btn-xs-warning { background: var(--warning); color: #1a1a1a; }

/* ── Pulse animations ───────────────────────────────────────── */
.overdue-pulse { animation: pulse-red 1.5s infinite; }
@keyframes pulse-red {
    0%,100% { box-shadow: 0 0 0 0 rgba(239,68,68,0); }
    50%      { box-shadow: 0 0 0 6px rgba(239,68,68,.25); }
}
.ending-pulse { animation: pulse-orange 2s infinite; }
@keyframes pulse-orange {
    0%,100% { box-shadow: 0 0 0 0 rgba(245,158,11,0); }
    50%      { box-shadow: 0 0 0 5px rgba(245,158,11,.2); }
}

/* ── Live dot ────────────────────────────────────────────────── */
.live-dot {
    display: inline-block; width: 8px; height: 8px;
    background: var(--success); border-radius: 50%;
    animation: blink 1.5s ease infinite; margin-right: 6px;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── Badge extras ────────────────────────────────────────────── */
.badge-endingsoon { background: rgba(245,158,11,.15); color: #D97706; }

/* ── Stat card sub-label ─────────────────────────────────────── */
.stat-sub { font-size: 11px; color: var(--text-muted); margin-top: 3px; }

/* ── Weekly revenue bar chart ────────────────────────────────── */
.chart-bar-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 90px;
    border-bottom: 1px solid var(--border-color);
    padding: 0 2px;
}
.chart-bar-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    height: 100%;
    gap: 2px;
}
.chart-bar-val   { font-size: 9px; color: var(--text-muted); white-space: nowrap; min-height: 13px; }
.chart-bar       { width: 100%; border-radius: 3px 3px 0 0; min-height: 2px; background: rgba(15,155,142,.45); transition: height .3s; }
.chart-bar-today { background: var(--crystal-teal); box-shadow: 0 0 8px rgba(15,155,142,.3); }
.chart-label-row { display: flex; gap: 6px; padding: 5px 2px 0; }
.chart-label-row span { flex: 1; text-align: center; font-size: 10px; color: var(--text-muted); font-weight: 600; }
.chart-label-today { color: var(--crystal-teal) !important; }

/* ── Session breakdown progress bars ─────────────────────────── */
.breakdown-item    { margin-bottom: 14px; }
.breakdown-item:last-child { margin-bottom: 0; }
.breakdown-header  { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 5px; font-size: 13px; }
.progress-bar-wrap { height: 6px; background: var(--border-color); border-radius: 3px; overflow: hidden; }
.progress-bar-fill { height: 100%; border-radius: 3px; transition: width .4s ease; min-width: 4px; }
.pb-teal  { background: var(--crystal-teal); }
.pb-blue  { background: #3B82F6; }
.pb-gold  { background: var(--crystal-gold); }
.pb-green { background: var(--success); }

/* ── Alert panel ─────────────────────────────────────────────── */
.alert-item {
    display: flex; align-items: flex-start;
    gap: 10px; padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}
.alert-item:last-child { border-bottom: none; }
.alert-item-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-item-msg  { flex: 1; font-size: 13px; color: var(--text-primary); line-height: 1.4; }
.alert-item-msg strong { font-weight: 700; }
.alert-empty { text-align: center; padding: 20px 16px; color: var(--text-muted); font-size: 13px; }
.alert-empty-icon { font-size: 26px; margin-bottom: 6px; }

/* ── Reports 3-panel layout ─────────────────────────────────── */
.reports-shell { display: flex; flex-direction: column; gap: 16px; }

.module-grid { display: flex; gap: 10px; flex-wrap: wrap; }

.module-card {
    display: flex; flex-direction: column; align-items: center;
    gap: 6px; padding: 14px 22px;
    background: var(--card-bg); border: 2px solid var(--border-color);
    border-radius: 12px; cursor: pointer; min-width: 96px;
    transition: border-color .15s, background .15s; font-family: inherit;
}
.module-card:hover  { border-color: var(--crystal-teal); background: var(--crystal-hover); }
.module-card.active { border-color: var(--crystal-teal); background: rgba(15,155,142,.09); }
.module-card-icon   { font-size: 28px; line-height: 1; }
.module-card-name   { font-size: 11.5px; font-weight: 600; color: var(--text-primary); text-align: center; }

.reports-body {
    display: grid; grid-template-columns: 220px 1fr; gap: 16px; align-items: start;
}

.reports-list-pane {
    background: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 12px; overflow: hidden;
}
.reports-list-header {
    padding: 12px 16px; font-size: 11px; font-weight: 700;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: .6px;
    border-bottom: 1px solid var(--border-color); background: var(--body-bg);
}
.report-list-item {
    display: block; padding: 11px 16px; font-size: 13px; font-weight: 500;
    color: var(--text-primary); cursor: pointer; border: none; width: 100%;
    text-align: left; background: transparent; font-family: inherit;
    border-bottom: 1px solid var(--border-color); transition: background .12s;
    border-left: 3px solid transparent;
}
.report-list-item:last-child { border-bottom: none; }
.report-list-item:hover { background: var(--body-bg); }
.report-list-item.active {
    background: rgba(15,155,142,.1); color: var(--crystal-teal);
    font-weight: 700; border-left-color: var(--crystal-teal);
}
.report-list-empty { padding: 24px 16px; text-align: center; font-size: 13px; color: var(--text-muted); }

.reports-output { display: flex; flex-direction: column; gap: 16px; }

.params-bar {
    background: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 12px; padding: 14px 20px;
    display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}

.report-out-title { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.report-out-meta  { font-size: 12px; color: var(--text-muted); margin-top: 3px; }

.reports-welcome      { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.reports-welcome-icon { font-size: 52px; margin-bottom: 16px; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); transition: transform .25s; }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .reports-body { grid-template-columns: 1fr; }
}