/* ===========================================================================
   LifeLink AI — Portal Design System
   Light mode is the source of truth (matches Android §3.3). Dark palette
   derived and applied via [data-theme="dark"] on <html>.
   =========================================================================== */

:root,
[data-theme="light"] {
    --color-primary-green: #1ABC9C;
    --color-primary-blue:  #2563EB;
    --color-dark-navy:     #0F172A;

    --color-bg:            #F8FAFC;   /* app background */
    --color-surface:       #FFFFFF;   /* cards */
    --color-surface-2:     #F1F5F9;   /* subtle fills */
    --color-sidebar:       #0F172A;   /* dark navy sidebar */
    --color-sidebar-text:  #E2E8F0;
    --color-sidebar-active:#1ABC9C;

    --color-text:          #0F172A;
    --color-text-muted:    #64748B;
    --color-border:        #E2E8F0;

    --color-available:     #1ABC9C;
    --color-busy:          #F59E0B;
    --color-offline:       #94A3B8;
    --color-verified:      #2563EB;
    --color-pending:       #F59E0B;
    --color-confirmed:     #1ABC9C;
    --color-danger:        #EF4444;
    --color-danger-bg:     #FEE2E2;

    --radius-card: 16px;
    --radius-btn:  16px;
    --radius-pill: 999px;

    --shadow-card: 0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.04);
    --shadow-hover:0 4px 12px rgba(15,23,42,.10);

    --font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --sidebar-width: 248px;
}

[data-theme="dark"] {
    --color-bg:            #0B1220;
    --color-surface:       #111A2E;
    --color-surface-2:     #1B2740;
    --color-sidebar:       #070D18;
    --color-sidebar-text:  #CBD5E1;
    --color-sidebar-active:#1ABC9C;

    --color-text:          #E2E8F0;
    --color-text-muted:    #94A3B8;
    --color-border:        #243352;

    --color-surface-2:     #16223B;
    --shadow-card: 0 1px 3px rgba(0,0,0,.5);
    --shadow-hover:0 4px 14px rgba(0,0,0,.55);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    vertical-align: middle;
    line-height: 1;
    user-select: none;
}

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

.sidebar {
    width: var(--sidebar-width);
    flex: 0 0 var(--sidebar-width);
    background: var(--color-sidebar);
    color: var(--color-sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 18px 12px;
    position: fixed;
    inset: 0 auto 0 0;
    overflow-y: auto;
    transition: transform .25s ease;
    z-index: 40;
}
.sidebar-brand {
    display: flex; align-items: center; gap: 10px;
    font-weight: 700; font-size: 20px; color: #fff;
    padding: 8px 10px 18px;
}
.logo-mark {
    width: 34px; height: 34px; border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary-green), var(--color-primary-blue));
    color: #fff; display: grid; place-items: center; font-weight: 700;
}
.brand-accent { color: var(--color-primary-green); }

.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-link {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 12px; border-radius: 12px;
    color: var(--color-sidebar-text); text-decoration: none;
    font-size: 14.5px; font-weight: 500; transition: background .15s, color .15s;
}
.nav-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-link.active { background: rgba(26,188,156,.16); color: var(--color-sidebar-active); }
.nav-link .material-symbols-outlined { font-size: 22px; }
.nav-divider { height: 1px; background: rgba(255,255,255,.08); margin: 10px 8px; }

.main { flex: 1 1 auto; margin-left: var(--sidebar-width); display: flex; flex-direction: column; min-width: 0; }

.topbar {
    height: 64px; display: flex; align-items: center; gap: 14px;
    padding: 0 22px; background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky; top: 0; z-index: 30;
}
.topbar-title { font-weight: 700; font-size: 18px; }
.topbar-spacer { flex: 1; }
.icon-btn {
    width: 40px; height: 40px; border-radius: 12px; border: none;
    background: var(--color-surface-2); color: var(--color-text);
    display: grid; place-items: center; cursor: pointer; transition: background .15s;
}
.icon-btn:hover { background: var(--color-border); }
.menu-toggle { display: none; }

.user-chip { display: flex; align-items: center; gap: 10px; }
.avatar {
    width: 38px; height: 38px; border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary-green), var(--color-primary-blue));
    color: #fff; display: grid; place-items: center; font-weight: 600;
}
.user-meta { line-height: 1.15; }
.user-name { font-size: 14px; font-weight: 600; }
.user-role { font-size: 12px; color: var(--color-text-muted); }

.content { padding: 24px; max-width: 1280px; width: 100%; margin: 0 auto; }

/* ------------------------------ Typography ------------------------------- */
h1.page-title { font-size: 26px; font-weight: 700; margin: 0 0 4px; }
.page-subtitle { color: var(--color-text-muted); margin: 0 0 22px; font-size: 14px; }
h2.section-title { font-size: 18px; font-weight: 600; margin: 0 0 14px; }

/* ------------------------------ Buttons ---------------------------------- */
.btn {
    font-family: var(--font-family); font-weight: 600; font-size: 14px;
    border: none; border-radius: var(--radius-btn); padding: 11px 18px;
    cursor: pointer; transition: filter .15s, background .15s; display: inline-flex;
    align-items: center; gap: 8px;
}
.btn-primary { background: var(--color-primary-green); color: #fff; }
.btn-primary:hover { filter: brightness(.95); }
.btn-blue { background: var(--color-primary-blue); color: #fff; }
.btn-ghost { background: transparent; color: var(--color-text-muted); padding: 8px 12px; }
.btn-ghost:hover { color: var(--color-text); background: var(--color-surface-2); }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ------------------------------- Cards ----------------------------------- */
.card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-card); padding: 18px; box-shadow: var(--shadow-card);
}
.card-grid { display: grid; gap: 16px; }
.kpi-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.kpi {
    display: flex; align-items: center; gap: 14px;
}
.kpi-icon {
    width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
    background: var(--color-surface-2); color: var(--color-primary-blue); font-size: 26px;
}
.kpi-label { font-size: 13px; color: var(--color-text-muted); }
.kpi-value { font-size: 24px; font-weight: 700; }

/* ------------------------------- Tables ---------------------------------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-card); }
table.data {
    width: 100%; border-collapse: collapse; background: var(--color-surface);
    border: 1px solid var(--color-border); border-radius: var(--radius-card); overflow: hidden;
}
table.data th, table.data td {
    text-align: left; padding: 13px 16px; font-size: 14px;
    border-bottom: 1px solid var(--color-border);
}
table.data th { background: var(--color-surface-2); font-weight: 600; color: var(--color-text-muted); }
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: var(--color-surface-2); }

/* ------------------------------- Pills ----------------------------------- */
.pill {
    display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600;
    padding: 5px 11px; border-radius: var(--radius-pill); line-height: 1;
}
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill-available { color: var(--color-available); background: rgba(26,188,156,.12); }
.pill-verified  { color: var(--color-verified);  background: rgba(37,99,235,.12); }
.pill-busy      { color: var(--color-busy);      background: rgba(245,158,11,.14); }
.pill-offline   { color: var(--color-offline);   background: rgba(148,163,184,.16); }
.pill-pending   { color: var(--color-pending);   background: rgba(245,158,11,.14); }
.pill-confirmed { color: var(--color-confirmed); background: rgba(26,188,156,.12); }
.pill-danger    { color: var(--color-danger);    background: var(--color-danger-bg); }

/* ------------------------- Search / toolbar ------------------------------ */
.toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.search-box {
    flex: 1 1 260px; display: flex; align-items: center; gap: 8px;
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-btn); padding: 10px 14px;
}
.search-box input { border: none; outline: none; background: transparent; flex: 1; font-family: var(--font-family); font-size: 14px; color: var(--color-text); }
.chip {
    border: 1px solid var(--color-border); background: var(--color-surface);
    color: var(--color-text); border-radius: var(--radius-pill);
    padding: 8px 14px; font-size: 13px; font-weight: 500; cursor: pointer;
}
.chip.active { background: var(--color-primary-green); color: #fff; border-color: var(--color-primary-green); }

.empty-state { text-align: center; color: var(--color-text-muted); padding: 40px; }
.error-state { color: var(--color-danger); padding: 16px; }

/* ------------------------------- Tabs ------------------------------------ */
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--color-border); margin-bottom: 16px; }
.tab {
    padding: 10px 16px; font-weight: 600; font-size: 14px; cursor: pointer;
    color: var(--color-text-muted); border-bottom: 2px solid transparent;
}
.tab.active { color: var(--color-primary-green); border-bottom-color: var(--color-primary-green); }

/* ------------------------------- Login ----------------------------------- */
.login-wrap {
    min-height: 100vh; display: grid; place-items: center;
    background: radial-gradient(1200px 600px at 80% -10%, rgba(37,99,235,.10), transparent),
                radial-gradient(900px 500px at -10% 110%, rgba(26,188,156,.12), transparent),
                var(--color-bg);
    padding: 20px;
}
.login-card {
    width: 100%; max-width: 400px; background: var(--color-surface);
    border: 1px solid var(--color-border); border-radius: var(--radius-card);
    padding: 30px; box-shadow: var(--shadow-hover);
}
.login-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 22px; margin-bottom: 6px; }
.login-sub { color: var(--color-text-muted); font-size: 14px; margin-bottom: 22px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.field input, .field select, .field textarea {
    width: 100%; padding: 11px 13px; border-radius: 12px;
    border: 1px solid var(--color-border); background: var(--color-bg);
    color: var(--color-text); font-family: var(--font-family); font-size: 14px; outline: none;
    transition: border-color .15s, box-shadow .15s, background .15s;
}
.field textarea { resize: vertical; min-height: 112px; line-height: 1.6; }
.field input:focus, .field select:focus, .field textarea:focus {
    border-color: var(--color-primary-green);
    box-shadow: 0 0 0 3px rgba(26,188,156,.12);
    background: var(--color-surface);
}
.field input::placeholder, .field textarea::placeholder { color: var(--color-text-muted); opacity: .72; }

/* ------------------------------- Misc ------------------------------------ */
.page-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.row-actions { display: flex; gap: 8px; }
.badge-count { background: var(--color-danger); color: #fff; font-size: 11px; border-radius: 999px; padding: 1px 7px; margin-left: 6px; }
.denied { padding: 40px; text-align: center; color: var(--color-danger); }
.spinner { display: inline-block; width: 18px; height: 18px; border: 3px solid var(--color-border); border-top-color: var(--color-primary-green); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ------------------------------- Modals ---------------------------------- */
.modal-backdrop {
    position: fixed; inset: 0; z-index: 100;
    display: grid; place-items: center; padding: 20px;
    background: rgba(15, 23, 42, .58);
}
.modal-backdrop[hidden] { display: none; }
.modal {
    width: min(100%, 520px); max-height: calc(100vh - 40px); overflow-y: auto;
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-card); box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.modal-header, .modal-footer { display: flex; align-items: center; gap: 12px; padding: 18px 20px; }
.modal-header { border-bottom: 1px solid var(--color-border); }
.modal-header h2 { margin: 0; font-size: 19px; }
.modal-header .icon-btn { margin-left: auto; }
.modal-body { padding: 20px; }
.modal-footer { justify-content: flex-end; border-top: 1px solid var(--color-border); }
.modal-error { color: var(--color-danger); font-size: 13px; margin-top: 10px; }
body.modal-open { overflow: hidden; }

/* ------------------------ Add provider dialog --------------------------- */
.provider-modal { width: min(100%, 720px); }
.provider-modal .modal-header { padding: 20px 24px; }
.provider-modal-heading { display: flex; align-items: flex-start; gap: 14px; }
.provider-modal-heading p { margin: 4px 0 0; color: var(--color-text-muted); font-size: 13px; line-height: 1.45; }
.provider-modal-icon {
    flex: 0 0 42px; width: 42px; height: 42px; border-radius: 13px;
    display: grid; place-items: center; color: var(--color-primary-green);
    background: rgba(26,188,156,.12);
}
.provider-form-grid {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 16px; padding: 22px 24px 8px;
}
.provider-form-grid .field { margin-bottom: 16px; }
.provider-form-grid .field-full, .provider-form-grid .form-section-title { grid-column: 1 / -1; }
.form-section-title {
    margin: 4px 0 14px; padding-bottom: 9px; border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted); font-size: 11px; font-weight: 700;
    letter-spacing: .08em; text-transform: uppercase;
}
.form-section-title:not(:first-child) { margin-top: 8px; }
.field-hint { display: block; margin-top: 6px; color: var(--color-text-muted); font-size: 11.5px; line-height: 1.4; }
.field-label-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.field-label-row > span { color: var(--color-text-muted); font-size: 11.5px; }
.provider-bio-field textarea { min-height: 132px; background: var(--color-surface-2); }
.provider-modal .modal-footer { position: sticky; bottom: 0; background: var(--color-surface); padding: 16px 24px; }

/* ----------------------------- Responsive -------------------------------- */
@media (max-width: 860px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
    .menu-toggle { display: grid; }
    .user-meta { display: none; }
}
@media (max-width: 600px) {
    .modal-backdrop { padding: 0; align-items: end; }
    .provider-modal { max-height: 94vh; border-radius: 20px 20px 0 0; }
    .provider-modal .modal-header, .provider-form-grid, .provider-modal .modal-footer { padding-left: 18px; padding-right: 18px; }
    .provider-form-grid { grid-template-columns: 1fr; }
    .provider-form-grid .field, .provider-form-grid .field-full, .provider-form-grid .form-section-title { grid-column: 1; }
    .provider-modal-heading p { max-width: 250px; }
}