/* DentalFlow UI - no CDN, shared-hosting friendly */
:root {
    color-scheme: light;
    --bg: #f5f7fb;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --surface-3: #eef2f7;
    --text: #172033;
    --muted: #687386;
    --border: #e3e8f0;
    --primary: #5368ed;
    --primary-strong: #3f52d4;
    --primary-soft: #eef0ff;
    --success: #159a76;
    --success-soft: #e8f8f2;
    --warning: #c68118;
    --warning-soft: #fff5df;
    --danger: #d7465f;
    --danger-soft: #fff0f2;
    --info: #1677c8;
    --shadow: 0 10px 30px rgba(37, 48, 76, .08);
    --shadow-sm: 0 4px 16px rgba(37, 48, 76, .07);
    --radius: 16px;
    --radius-sm: 10px;
    --sidebar: 260px;
}
html[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0f1420;
    --surface: #171e2c;
    --surface-2: #1c2535;
    --surface-3: #253044;
    --text: #eef3ff;
    --muted: #9aa8bc;
    --border: #2a3548;
    --primary: #8593ff;
    --primary-strong: #a0aaff;
    --primary-soft: #242d55;
    --success: #48cba4;
    --success-soft: #173b34;
    --warning: #f0b954;
    --warning-soft: #3a301d;
    --danger: #ff7f91;
    --danger-soft: #46232b;
    --info: #69b9f2;
    --shadow: 0 14px 34px rgba(0, 0, 0, .24);
    --shadow-sm: 0 6px 18px rgba(0, 0, 0, .2);
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 14px;
    line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
img { max-width: 100%; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-right { text-align: right; }
.nowrap { white-space: nowrap; }
.stack { display: grid; gap: 16px; }
.stack-sm { display: grid; gap: 10px; }
.inline { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.space-between { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }

.app-shell { min-height: 100vh; }
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar);
    padding: 18px 14px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    z-index: 30;
    overflow-y: auto;
}
.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 6px 9px 20px;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -.02em;
}
.brand-mark {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 13px;
    background: linear-gradient(145deg, var(--primary), #7f8df8);
    color: white;
    box-shadow: 0 9px 20px rgba(83, 104, 237, .26);
}
.brand-mark svg { width: 23px; height: 23px; stroke-width: 2; }
.brand-mark img { width:100%; height:100%; object-fit:contain; border-radius:11px; background:white; }
.tenant-mini {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 11px;
    margin-bottom: 14px;
    border-radius: 13px;
    background: var(--surface-2);
    border: 1px solid var(--border);
}
.avatar {
    width: 36px; height: 36px; min-width: 36px;
    display: grid; place-items: center;
    border-radius: 11px;
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 800;
}
.tenant-mini strong, .tenant-mini small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; max-width: 160px; }
.tenant-mini small { color: var(--muted); margin-top: 2px; }
.nav-section { margin: 18px 8px 7px; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.nav-link {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 12px;
    margin: 3px 0;
    border-radius: 11px;
    color: var(--muted);
    font-weight: 650;
    transition: .16s ease;
}
.nav-link:hover { background: var(--surface-2); color: var(--text); }
.nav-link.active { background: var(--primary-soft); color: var(--primary); }
.nav-link svg { width: 19px; height: 19px; }
.nav-badge { margin-left: auto; min-width: 22px; text-align: center; padding: 2px 6px; border-radius: 999px; background: var(--warning-soft); color: var(--warning); font-size: 11px; }

.main { margin-left: var(--sidebar); min-height: 100vh; }
.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    height: 70px;
    padding: 0 26px;
    display: flex;
    align-items: center;
    gap: 16px;
    background: color-mix(in srgb, var(--bg) 84%, transparent);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
}
.mobile-menu { display: none; }
.global-search { flex: 1; max-width: 560px; position: relative; }
.search-field {
    width: 100%;
    height: 42px;
    padding: 0 14px 0 42px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    outline: none;
}
.search-field:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.search-icon { position: absolute; left: 13px; top: 11px; color: var(--muted); pointer-events: none; }
.search-results {
    position: absolute;
    top: 48px;
    left: 0; right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.search-result { display: flex; align-items: center; gap: 11px; padding: 11px 13px; border-bottom: 1px solid var(--border); }
.search-result:last-child { border-bottom: 0; }
.search-result:hover { background: var(--surface-2); }
.search-result small { color: var(--muted); display: block; }

.icon-btn, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    border-radius: 11px;
    font-weight: 750;
    transition: .15s ease;
}
.icon-btn {
    width: 42px; height: 42px;
    color: var(--muted);
    background: var(--surface);
    border: 1px solid var(--border);
}
.icon-btn:hover { color: var(--text); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn { min-height: 40px; padding: 9px 14px; background: var(--surface-3); color: var(--text); }
.btn:hover { transform: translateY(-1px); filter: brightness(.98); }
.btn-primary { background: var(--primary); color: white; box-shadow: 0 7px 16px rgba(83,104,237,.22); }
.btn-primary:hover { background: var(--primary-strong); }
.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-success { background: var(--success-soft); color: var(--success); }
.btn-ghost { background: transparent; border: 1px solid var(--border); }
.btn-sm { min-height: 34px; padding: 6px 10px; border-radius: 9px; font-size: 12px; }
.btn svg { width: 17px; height: 17px; }

.quick-wrap { position: relative; }
.quick-menu {
    position: absolute;
    top: 48px; right: 0;
    width: 230px;
    padding: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
}
.quick-menu a { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 9px; }
.quick-menu a:hover { background: var(--surface-2); }
.user-chip { display: flex; align-items: center; gap: 10px; }
.user-chip .meta { line-height: 1.25; }
.user-chip small { color: var(--muted); }

.content { padding: 26px; max-width: 1600px; margin: 0 auto; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.page-head h1 { margin: 0; font-size: 27px; line-height: 1.2; letter-spacing: -.025em; }
.page-head p { margin: 6px 0 0; color: var(--muted); }
.page-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-main { grid-template-columns: minmax(0, 1.6fr) minmax(300px, .8fr); }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.card-body { padding: 19px; }
.card-head {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 17px 19px;
    border-bottom: 1px solid var(--border);
}
.card-head h2, .card-head h3 { margin: 0; font-size: 15px; }
.stat-card { padding: 18px; display: flex; gap: 14px; align-items: flex-start; }
.stat-icon {
    width: 44px; height: 44px; min-width: 44px;
    display: grid; place-items: center;
    border-radius: 13px;
    color: var(--primary);
    background: var(--primary-soft);
}
.stat-value { font-size: 25px; font-weight: 850; letter-spacing: -.03em; line-height: 1.15; }
.stat-label { color: var(--muted); font-weight: 600; margin-top: 3px; }
.trial-banner {
    display: flex; align-items: center; justify-content: space-between; gap: 15px;
    padding: 13px 16px; margin-bottom: 18px;
    border: 1px solid color-mix(in srgb, var(--warning) 32%, var(--border));
    background: var(--warning-soft);
    color: var(--warning);
    border-radius: 13px;
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 11px 14px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; border-bottom: 1px solid var(--border); }
td { padding: 13px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: color-mix(in srgb, var(--surface-2) 72%, transparent); }
.cell-title { font-weight: 750; }
.cell-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

.badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 8px;
    border-radius: 999px;
    background: var(--surface-3);
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-info { background: var(--primary-soft); color: var(--primary); }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
label { color: var(--text); font-weight: 700; font-size: 12px; }
.input, select, textarea {
    width: 100%;
    min-height: 42px;
    padding: 9px 11px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    outline: none;
}
textarea { min-height: 96px; resize: vertical; }
.input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.help { color: var(--muted); font-size: 11px; }
.checkbox { display: inline-flex; gap: 8px; align-items: center; }
.checkbox input { width: 17px; height: 17px; accent-color: var(--primary); }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; padding-top: 18px; margin-top: 18px; border-top: 1px solid var(--border); }
.error-list { margin: 0 0 18px; padding: 13px 16px 13px 34px; border-radius: 11px; background: var(--danger-soft); color: var(--danger); }
.alert { padding: 12px 15px; margin-bottom: 16px; border-radius: 11px; border: 1px solid var(--border); }
.alert-success { background: var(--success-soft); color: var(--success); border-color: color-mix(in srgb, var(--success) 20%, var(--border)); }
.alert-danger { background: var(--danger-soft); color: var(--danger); }

.empty { padding: 36px 20px; text-align: center; color: var(--muted); }
.empty img { width: 90px; opacity: .8; margin-bottom: 12px; }
.pagination { display: flex; align-items: center; justify-content: space-between; padding: 15px 18px; color: var(--muted); }
.pagination nav { display: flex; gap: 5px; }

.timeline { display: grid; gap: 0; }
.timeline-item { position: relative; padding: 0 0 18px 29px; }
.timeline-item:before { content: ""; position: absolute; left: 8px; top: 8px; bottom: -4px; width: 1px; background: var(--border); }
.timeline-item:last-child:before { display: none; }
.timeline-dot { position: absolute; left: 3px; top: 5px; width: 11px; height: 11px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 4px var(--primary-soft); }

.appointment-list { display: grid; gap: 9px; }
.appointment-row {
    display: grid;
    grid-template-columns: 70px 8px minmax(180px, 1fr) 160px 130px auto;
    gap: 13px;
    align-items: center;
    padding: 12px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 13px;
}
.appointment-color { width: 5px; height: 38px; border-radius: 6px; background: var(--primary); }
.appt-time { font-weight: 850; font-size: 15px; }
.appt-name { font-weight: 760; }
.appt-meta { color: var(--muted); font-size: 12px; }

.hero-dental {
    position: relative;
    min-height: 220px;
    overflow: hidden;
    padding: 24px;
    color: white;
    background: linear-gradient(125deg, #455be4, #7487f5 60%, #67c9c1);
}
.hero-dental:after {
    content: "";
    position: absolute;
    width: 260px; height: 260px;
    right: -35px; bottom: -80px;
    border-radius: 50%;
    background: rgba(255,255,255,.12);
}
.hero-dental img { position: absolute; right: 28px; bottom: 0; width: 180px; max-height: 190px; object-fit: contain; filter: drop-shadow(0 18px 25px rgba(25,35,85,.2)); }
.hero-dental h2 { position: relative; z-index: 2; max-width: 390px; margin: 0; font-size: 27px; line-height: 1.16; }
.hero-dental p { position: relative; z-index: 2; max-width: 400px; opacity: .86; }
.hero-dental .btn { position: relative; z-index: 2; background: white; color: #4054d8; }

.auth-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(360px, 520px) 1fr;
    background: var(--surface);
}
.auth-panel { padding: 42px clamp(26px, 5vw, 76px); display: flex; flex-direction: column; justify-content: center; }
.auth-panel .brand { padding-left: 0; margin-bottom: 35px; }
.auth-panel h1 { margin: 0 0 8px; font-size: 31px; letter-spacing: -.035em; }
.auth-panel > p { color: var(--muted); margin: 0 0 26px; }
.auth-side {
    position: relative;
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: 50px;
    color: white;
    background: linear-gradient(145deg, #4054d8, #6579ef 55%, #69c4bf);
}
.auth-side:before, .auth-side:after { content:""; position:absolute; border-radius:50%; background:rgba(255,255,255,.12); }
.auth-side:before { width:420px;height:420px;right:-130px;top:-120px; }
.auth-side:after { width:300px;height:300px;left:-100px;bottom:-100px; }
.auth-card { max-width: 540px; position: relative; z-index: 2; }
.auth-card h2 { font-size: 36px; line-height: 1.15; letter-spacing: -.035em; margin: 0 0 15px; }
.auth-card p { opacity: .84; font-size: 16px; }
.auth-card img { width: 200px; display: block; margin: 30px auto 0; filter: drop-shadow(0 22px 25px rgba(30,40,100,.25)); }
.auth-foot { margin-top: 22px; color: var(--muted); text-align: center; }
.auth-foot a { color: var(--primary); font-weight: 800; }

.modal-backdrop {
    position: fixed; inset: 0; z-index: 60;
    display: grid; place-items: center;
    padding: 20px;
    background: rgba(13,18,30,.56);
    backdrop-filter: blur(4px);
}
.modal { width: min(560px, 100%); max-height: 90vh; overflow-y: auto; background: var(--surface); border-radius: 17px; box-shadow: var(--shadow); }
.modal-head { display:flex;align-items:center;justify-content:space-between;padding:17px 19px;border-bottom:1px solid var(--border); }
.modal-head h3 { margin:0; }
.modal-body { padding:19px; }

.plan-items { display:grid;gap:9px; }
.plan-row { display:grid; grid-template-columns:minmax(180px,2fr) 90px 90px 120px 130px 40px; gap:8px; align-items:end; padding:10px; border:1px solid var(--border); border-radius:12px; background:var(--surface-2); }
.plan-row label { font-size:10px; }
.plan-total { text-align:right; font-size:20px; font-weight:850; margin-top:14px; }

.detail-list { display:grid; gap:0; }
.detail-row { display:grid; grid-template-columns:150px 1fr; gap:15px; padding:10px 0; border-bottom:1px solid var(--border); }
.detail-row:last-child { border:0; }
.detail-row dt { color:var(--muted); }
.detail-row dd { margin:0; font-weight:650; }

.tooth-chart {
    display:grid;
    grid-template-columns:repeat(16,minmax(24px,1fr));
    gap:5px;
    padding:14px;
}
.tooth {
    aspect-ratio: .75;
    display:grid;
    place-items:center;
    border:1px solid var(--border);
    border-radius:45% 45% 35% 35%;
    background:var(--surface-2);
    color:var(--muted);
    font-size:10px;
}
.tooth:hover { border-color:var(--primary); color:var(--primary); background:var(--primary-soft); }

@media print {
    .sidebar,.topbar,.page-actions,.no-print,.trial-banner { display:none!important; }
    .main { margin:0; }
    .content { padding:0; }
    .card { box-shadow:none; }
}
@media (max-width: 1100px) {
    .grid-4 { grid-template-columns:repeat(2,minmax(0,1fr)); }
    .grid-main { grid-template-columns:1fr; }
    .appointment-row { grid-template-columns:65px 6px 1fr auto; }
    .appointment-row > :nth-child(4), .appointment-row > :nth-child(5) { display:none; }
}
@media (max-width: 820px) {
    :root { --sidebar: 250px; }
    .sidebar { transform:translateX(-102%); transition:.2s ease; box-shadow:var(--shadow); }
    body.sidebar-open .sidebar { transform:translateX(0); }
    .main { margin-left:0; }
    .mobile-menu { display:inline-flex; }
    .user-chip .meta { display:none; }
    .content { padding:18px 14px; }
    .topbar { padding:0 14px; }
    .grid-3,.grid-2,.form-grid,.form-grid-3 { grid-template-columns:1fr; }
    .field.full { grid-column:auto; }
    .page-head { align-items:stretch; flex-direction:column; }
    .page-actions .btn { flex:1; }
    .plan-row { grid-template-columns:1fr 1fr; }
    .plan-row > :first-child { grid-column:1/-1; }
    .auth-page { grid-template-columns:1fr; }
    .auth-side { display:none; }
}
@media (max-width: 560px) {
    .grid-4 { grid-template-columns:1fr; }
    .global-search { display:none; }
    .topbar { justify-content:flex-end; }
    .mobile-menu { margin-right:auto; }
    .appointment-row { grid-template-columns:58px 5px 1fr; }
    .appointment-row > :last-child { display:none; }
    .tooth-chart { grid-template-columns:repeat(8,minmax(24px,1fr)); }
}