/* LanguageGuru design system — warm rose (#845656) + sky blue (#6dbff2) duotone */

:root,
[data-theme="light"] {
  --primary: #6DBFF2;          /* bright sky-blue accent (tints, borders, highlights) */
  --primary-strong: #2593DC;   /* interactive fill (buttons) */
  --primary-deep: #1A75B8;     /* hover / deep */
  --primary-soft: rgba(109, 191, 242, .15);
  --secondary: #845656;        /* warm rose brand tone */
  --secondary-strong: #6F4747;
  --secondary-deep: #5A3838;
  --secondary-soft: rgba(132, 86, 86, .10);
  --duo: linear-gradient(135deg, #6DBFF2, #845656);
  --ink: #2A2124;
  --text: #3B3034;
  --text-2: #6F6266;
  --text-3: #A99EA1;
  --bg: #FAF6F6;
  --surface: #FFFFFF;
  --surface-2: #F4EDEE;
  --border: #E9E0E1;
  --success: #15803D; --success-ink: #14532D; --success-soft: #DCFCE7;
  --warning: #A16207; --warning-ink: #713F12; --warning-soft: #FEF3C7;
  --danger: #B91C1C;  --danger-ink: #7F1D1D;  --danger-soft: #FEE2E2;
  --shadow-sm: 0 1px 2px rgba(42,33,36,.05), 0 1px 6px rgba(42,33,36,.04);
  --shadow-md: 0 4px 18px rgba(42,33,36,.09);
  --shadow-lg: 0 14px 40px rgba(42,33,36,.15);
  --r: 14px; --r-sm: 10px; --r-pill: 999px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

[data-theme="dark"] {
  --primary: #6DBFF2;
  --primary-strong: #4AA6E4;
  --primary-deep: #3792D4;
  --primary-soft: rgba(109, 191, 242, .16);
  --secondary: #C08A8A;
  --secondary-strong: #B77E7E;
  --secondary-deep: #A56E6E;
  --secondary-soft: rgba(192, 138, 138, .15);
  --duo: linear-gradient(135deg, #6DBFF2, #C08A8A);
  --ink: #F3EEEF;
  --text: #E7DFE0;
  --text-2: #ABA0A2;
  --text-3: #6E6164;
  --bg: #17110F;
  --surface: #201A1B;
  --surface-2: #2A2224;
  --border: #382C2F;
  --success: #86EFAC; --success-ink: #14532D; --success-soft: #1E3A2A;
  --warning: #FCD34D; --warning-ink: #FDE9A8; --warning-soft: #3A2E12;
  --danger: #FCA5A5;  --danger-ink: #FECACA;  --danger-soft: #3A1A1A;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.5);
  --shadow-md: 0 8px 28px rgba(0,0,0,.5);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.6);
}
[data-theme="dark"] .badge-approved { color: var(--success); }
[data-theme="dark"] .badge-rejected, [data-theme="dark"] .badge-cancelled { color: var(--danger); }

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font); color: var(--text); background: var(--bg);
  line-height: 1.6; -webkit-font-smoothing: antialiased;
  transition: background .25s, color .25s;
}
h1,h2,h3 { color: var(--ink); letter-spacing: -.02em; line-height: 1.18; }
h1 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); font-weight: 700; }
h2 { font-size: clamp(1.25rem, 2.5vw, 1.65rem); font-weight: 700; }
h3 { font-size: 1.05rem; font-weight: 650; }
p { color: var(--text-2); }
a { color: var(--primary-strong); }
code { background: var(--primary-soft); color: var(--primary-strong); padding: 0 .4em; border-radius: 5px; font-size: .85em; }
.muted { color: var(--text-2); } .small { font-size: .85rem; }
.icon { flex: none; vertical-align: -.18em; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 1.25rem; }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 8px; top: 8px; background: var(--surface); padding: .5rem 1rem; z-index: 999; border-radius: 8px; }
::selection { background: var(--primary); color: #fff; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(14px); border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.topbar-inner {
  max-width: 1240px; margin: 0 auto; padding: .85rem 1.4rem;
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: nowrap;
  min-height: 68px;   /* identical height logged in or out */
}
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; flex: none; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 11px; flex: none;
  background: var(--duo);
  color: #fff; display: grid; place-items: center;
}
.brand-name { font-size: 1.12rem; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.brand-name span { color: var(--primary-strong); }

.main-nav {
  display: flex; gap: .2rem; margin: 0 auto; min-width: 0;
  overflow-x: auto; scrollbar-width: none;
}
.main-nav::-webkit-scrollbar { display: none; }
.nav-item {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .55rem .95rem; border-radius: var(--r-sm);
  color: var(--text-2); font-weight: 600; font-size: .9rem; text-decoration: none;
  transition: background .15s, color .15s; white-space: nowrap;
}
.nav-item .icon { opacity: .75; }
.nav-item:hover { color: var(--ink); background: var(--surface-2); }
.nav-item.active { color: var(--primary-strong); background: var(--primary-soft); }
.nav-item.active .icon { opacity: 1; }

.topbar-actions { display: flex; align-items: center; gap: .7rem; margin-left: auto; flex: none; }
.util-group { display: flex; align-items: center; gap: .35rem; }
.topbar-divider { width: 1px; height: 26px; background: var(--border); flex: none; }

/* Desktop: wrapper is transparent so nav + actions flow in the row as before */
.topbar-collapse { display: contents; }
.nav-toggle {
  display: none; width: 42px; height: 42px; margin-left: auto; flex: none;
  border: 1px solid var(--border); background: var(--surface); border-radius: var(--r-sm);
  color: var(--ink); cursor: pointer; place-items: center;
}
.nav-toggle:hover { border-color: var(--primary); color: var(--primary-strong); }
.nav-toggle .ic-close { display: none; }
.nav-toggle[aria-expanded="true"] .ic-menu { display: none; }
.nav-toggle[aria-expanded="true"] .ic-close { display: block; }
.icon-btn {
  width: 36px; height: 36px; border-radius: var(--r-sm); border: 1px solid var(--border);
  background: var(--surface); color: var(--text-2); display: grid; place-items: center;
  cursor: pointer; text-decoration: none; transition: all .15s;
}
.icon-btn:hover { color: var(--primary-strong); border-color: var(--primary); }
[data-theme="light"] .theme-icon-dark, [data-theme="dark"] .theme-icon-light { display: none; }
.theme-toggle span { display: grid; place-items: center; }
.lang-switch { display: flex; gap: .1rem; background: var(--surface-2); border-radius: var(--r-sm); padding: .16rem; border: 1px solid var(--border); }
.lang-flag { font-size: .72rem; font-weight: 700; text-decoration: none; padding: .26rem .5rem; border-radius: 7px; color: var(--text-3); letter-spacing: .04em; }
.lang-flag.active { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }
.user-name { font-size: .86rem; font-weight: 600; color: var(--ink); max-width: 11ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Account menu (single control — keeps the header identical logged in or out) */
.account { position: relative; flex: none; }
.account-btn {
  display: flex; align-items: center; gap: .5rem;
  padding: .22rem .6rem .22rem .22rem; font: inherit; cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-pill);
  transition: border-color .15s, background .15s;
}
.account-btn:hover { border-color: var(--primary); background: var(--surface); }
.account-caret { display: grid; place-items: center; color: var(--text-3); transition: transform .2s; }
.account-btn[aria-expanded="true"] .account-caret { transform: rotate(180deg); }
.account-btn[aria-expanded="true"] { border-color: var(--primary); background: var(--surface); }

.account-menu {
  position: absolute; right: 0; top: calc(100% + .55rem); min-width: 236px; z-index: 200;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  box-shadow: var(--shadow-lg); padding: .4rem;
  display: none; flex-direction: column; gap: .1rem;
  animation: menuIn .16s ease;
}
.account-menu.open { display: flex; }
@keyframes menuIn { from { opacity: 0; transform: translateY(-6px); } }
.account-head { display: flex; align-items: center; gap: .65rem; padding: .6rem .65rem .7rem; border-bottom: 1px solid var(--border); margin-bottom: .3rem; }
.account-id { display: flex; flex-direction: column; min-width: 0; }
.account-id strong { font-size: .9rem; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-id .small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 170px; }
.account-menu a {
  display: flex; align-items: center; gap: .65rem; padding: .58rem .65rem;
  border-radius: var(--r-sm); color: var(--text); text-decoration: none;
  font-size: .9rem; font-weight: 550; transition: background .15s, color .15s;
}
.account-menu a:hover { background: var(--surface-2); color: var(--primary-strong); }
.account-menu .icon { color: var(--text-3); }
.account-menu a:hover .icon { color: inherit; }
.menu-sep { height: 1px; background: var(--border); margin: .3rem 0; }
.account-menu .menu-danger { color: var(--danger); }
.account-menu .menu-danger:hover { background: var(--danger-soft); color: var(--danger); }
.avatar {
  width: 28px; height: 28px; border-radius: 50%; flex: none;
  background: var(--duo);
  color: #fff; font-weight: 700; font-size: .78rem; display: inline-flex; align-items: center; justify-content: center;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font: 600 .92rem/1 var(--font); padding: .7rem 1.35rem;
  border: 1px solid transparent; border-radius: var(--r-sm); cursor: pointer;
  text-decoration: none; transition: transform .15s, box-shadow .2s, background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--primary-strong); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--primary-deep); box-shadow: var(--shadow-md); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
.btn-outline { border-color: var(--border); color: var(--ink); background: var(--surface); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary-strong); }
.btn-ghost { color: var(--text-2); background: transparent; }
.btn-ghost:hover { background: var(--primary-soft); color: var(--primary-strong); }
.btn-danger { background: transparent; border-color: var(--border); color: var(--danger); }
.btn-danger:hover { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-invert { background: #fff; color: var(--primary-deep); }
.btn-lg { padding: .9rem 1.9rem; font-size: .98rem; }
.btn-sm { padding: .46rem .9rem; font-size: .84rem; }
.btn-block { width: 100%; }
.link { color: var(--primary-strong); font-weight: 600; text-decoration: none; }
.link:hover { text-decoration: underline; }

/* ---------- Hero (professional, centered) ---------- */
.hero-pro {
  position: relative; overflow: hidden;
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  text-align: center;
}
.hero-pro::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(42% 55% at 30% 12%, color-mix(in srgb, var(--primary) 22%, transparent), transparent 70%),
    radial-gradient(42% 55% at 72% 8%, color-mix(in srgb, var(--secondary) 18%, transparent), transparent 70%);
}
.hero-pro .container { max-width: 780px; }
.hero-portrait { margin: 0 auto 1.4rem; width: 132px; height: 132px; border-radius: 50%; padding: 4px; background: var(--duo); }
.hero-portrait img {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover; display: block;
  border: 3px solid var(--surface); background: var(--surface-2);
}
.eyebrow {
  font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--secondary); margin-bottom: 1rem;
}
.hero-pro h1 { max-width: 18ch; margin: 0 auto 1.1rem; }
.hero-pro .hero-sub { font-size: 1.1rem; max-width: 600px; margin: 0 auto 2rem; }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; justify-content: center; }
.hero-note { margin-top: 1.5rem; font-size: .86rem; color: var(--text-3); }

.section { padding: clamp(1.4rem, 3vw, 2.4rem) 0; }
.section-title { margin-bottom: 1.3rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.pricing-2 { max-width: 620px; margin: 0 auto; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.4rem; box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, border-color .2s;
}
.card:hover { box-shadow: var(--shadow-md); }
.icon-tile {
  width: 42px; height: 42px; flex: none; border-radius: var(--r-sm);
  background: var(--primary-soft); border: 1px solid transparent;
  display: grid; place-items: center; color: var(--primary-strong);
}
.card > .icon-tile { margin-bottom: .9rem; }
.price-card { text-align: center; }
.price-card .icon-tile { margin: 0 auto .9rem; }
.price-duration { font-weight: 650; color: var(--text-2); }
.price-amount { font-size: 2.3rem; font-weight: 800; color: var(--ink); margin: .2rem 0 .1rem; }
.testimonial-author { margin-top: 1rem; font-weight: 650; color: var(--ink); }
.testimonial-card { display: flex; flex-direction: column; }
.testimonial-stars { color: #E6A817; letter-spacing: .12em; font-size: .95rem; margin-bottom: .7rem; }
.testimonial-card p.muted { flex: 1; }
.about-split { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; align-items: center; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); text-align: center; padding: 1rem .5rem; }
.stat strong { display: block; font-size: 1.25rem; color: var(--primary-strong); }
.cta-banner {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, var(--secondary-deep), var(--secondary));
  border-radius: var(--r); text-align: center; padding: clamp(2.4rem, 5vw, 3.4rem);
}
.cta-banner::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(50% 120% at 85% 0%, color-mix(in srgb, var(--primary) 35%, transparent), transparent 60%);
}
.cta-banner h2, .cta-banner p { color: #fff; position: relative; }
.cta-banner p { opacity: .9; margin: .5rem 0 1.5rem; }
.cta-banner .btn { position: relative; }

.pill {
  display: inline-flex; align-items: center; gap: .4em; font-size: .76rem; font-weight: 600;
  background: var(--primary-soft); color: var(--primary-strong);
  padding: .3rem .75rem; border-radius: 7px;
}

/* Metric cards */
.metric-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  padding: 1.2rem 1.3rem; display: flex; flex-direction: column; gap: .1rem;
}
.metric-num { font-size: 2.1rem; font-weight: 800; color: var(--ink); letter-spacing: -.03em; line-height: 1.1; }
.metric-label { font-size: .84rem; color: var(--text-2); font-weight: 550; }
.metric-card.primary { background: linear-gradient(135deg, var(--primary), var(--primary-deep)); border-color: transparent; }
.metric-card.primary .metric-num { color: #fff; font-size: 2.5rem; }
.metric-card.primary .metric-label { color: rgba(255,255,255,.85); }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: .38rem; min-width: 0; }
.field > span { font-size: .82rem; font-weight: 600; color: var(--text-2); }
.input, .field input, .field select, .field textarea {
  font: 400 .95rem var(--font); color: var(--ink);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: .65rem .8rem; width: 100%; transition: border-color .15s, box-shadow .15s;
}
.input:focus, .field :is(input,select,textarea):focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field-full { grid-column: 1 / -1; }
.check { display: inline-flex; gap: .45em; align-items: center; font-size: .88rem; color: var(--text-2); }

/* ---------- Auth ---------- */
.auth-wrap { min-height: calc(100vh - 200px); display: grid; place-items: center; padding: 2.5rem 1rem; }
.auth-card { width: min(420px, 100%); display: flex; flex-direction: column; gap: 1rem; padding: 2rem; }
.auth-card h1 { font-size: 1.4rem; }
.auth-row { display: flex; justify-content: space-between; align-items: center; gap: .8rem; font-size: .87rem; flex-wrap: wrap; }
.auth-alt { text-align: center; font-size: .88rem; }
.divider { display: flex; align-items: center; gap: .8rem; color: var(--text-3); }
.divider::before, .divider::after { content: ""; height: 1px; background: var(--border); flex: 1; }
.error-card { text-align: center; }
.error-code { font-size: 4rem; font-weight: 800; color: var(--primary); }

/* ---------- Booking ---------- */
.page-head { margin-bottom: 1.3rem; }
.page-head h1 { font-size: 1.45rem; }
.booking-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 1rem; align-items: start; }
.booking-main { display: flex; flex-direction: column; gap: 1rem; min-width: 0; }
.step-card { display: flex; flex-direction: column; gap: 1rem; }
.step-title { font-size: .76rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--primary-strong); }
.seg-group { display: flex; gap: .6rem; flex-wrap: wrap; }
.seg {
  flex: 1; min-width: 96px; display: flex; flex-direction: column; gap: .1rem; align-items: center;
  padding: .75rem .5rem; background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--r-sm);
  cursor: pointer; font: inherit; color: var(--text); transition: all .15s;
}
.seg strong { color: var(--ink); font-size: .95rem; }
.seg:hover { border-color: var(--primary); }
.seg.active { border-color: var(--primary-strong); background: var(--primary-soft); }
.seg.active strong { color: var(--primary-strong); }
.slot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: .5rem; }
.slot {
  font: 600 .86rem var(--font); padding: .56rem .3rem; text-align: center;
  border: 1.5px solid var(--border); background: var(--surface); color: var(--text);
  border-radius: var(--r-sm); cursor: pointer; transition: all .12s;
}
.slot:hover:not(:disabled) { border-color: var(--primary); color: var(--primary-strong); }
.slot.active { background: var(--primary-strong); border-color: var(--primary-strong); color: #fff; }
.slot:disabled { opacity: .32; cursor: not-allowed; text-decoration: line-through; }
.slot-skeleton { height: 37px; }
.slot-hint { grid-column: 1 / -1; }
.skeleton { border-radius: var(--r-sm); background: linear-gradient(90deg, var(--surface-2) 25%, var(--border) 50%, var(--surface-2) 75%); background-size: 200% 100%; animation: shimmer 1.3s infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }
.rtype-list { display: grid; gap: .55rem; }
.rtype {
  display: flex; align-items: center; gap: .7rem; padding: .75rem 1rem;
  border: 1.5px solid var(--border); border-radius: var(--r-sm); cursor: pointer;
  font-weight: 550; color: var(--text); transition: all .15s; background: var(--surface);
}
.rtype:hover { border-color: var(--primary); }
.rtype.active { border-color: var(--primary-strong); background: var(--primary-soft); color: var(--primary-strong); }
.booking-side { position: sticky; top: 74px; }
.summary-card { display: flex; flex-direction: column; gap: 1rem; }
.summary-list div { display: flex; justify-content: space-between; gap: .8rem; padding: .45rem 0; border-bottom: 1px dashed var(--border); }
.summary-list dt { color: var(--text-2); font-size: .88rem; }
.summary-list dd { font-weight: 650; color: var(--ink); text-align: right; }

/* ---------- Dashboard ---------- */
.tabbar { display: flex; gap: .25rem; flex-wrap: wrap; margin-bottom: 1.3rem; background: var(--surface); border: 1px solid var(--border); padding: .3rem; border-radius: var(--r-sm); width: fit-content; max-width: 100%; }
.tab {
  font: 600 .86rem var(--font); color: var(--text-2); background: none; border: none;
  padding: .48rem 1rem; border-radius: 8px; cursor: pointer; text-decoration: none; transition: all .15s;
  white-space: nowrap;
}
.tab:hover { color: var(--ink); background: var(--surface-2); }
.tab.active { background: var(--primary-strong); color: #fff; }
.tabpane { display: none; }
.tabpane.active { display: block; animation: fadeIn .25s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } }
.pane-title { font-size: .96rem; margin: 1.5rem 0 .75rem; color: var(--ink); }
.pane-head { display: flex; justify-content: space-between; align-items: center; gap: .8rem; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: .55rem; }
.dash-split { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 1.1rem; align-items: start; }
.progress-col { display: flex; flex-direction: column; gap: .8rem; position: sticky; top: 74px; }
.progress-col .pane-title { margin-top: 0; }
.row-card { display: flex; justify-content: space-between; align-items: center; gap: .8rem; padding: .85rem 1.05rem; flex-wrap: wrap; }
.row-card strong { color: var(--ink); overflow-wrap: anywhere; }
.row-main { display: flex; gap: .85rem; align-items: center; min-width: 0; flex: 1; }
.row-main .icon-tile { margin: 0; }
.row-main > div { min-width: 0; }
.row-actions { display: flex; gap: .45rem; align-items: center; flex-wrap: wrap; }
.muted-card { opacity: .65; }
.empty-state { text-align: center; padding: 2.2rem; display: flex; flex-direction: column; gap: 1rem; align-items: center; }
.badge { font-size: .72rem; font-weight: 700; padding: .3rem .75rem; border-radius: 7px; letter-spacing: .02em; white-space: nowrap; }
.badge-pending { background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); }
.badge-approved { background: var(--success-soft); color: var(--success-ink); }
.badge-rejected, .badge-cancelled { background: var(--danger-soft); color: var(--danger-ink); }
.score-chip { font-weight: 700; color: var(--primary-strong); background: var(--primary-soft); padding: .4rem .9rem; border-radius: 8px; font-size: .85rem; white-space: nowrap; }
.upload-card { display: flex; gap: .8rem; align-items: center; flex-wrap: wrap; margin-bottom: 1rem; }
.upload-card .input[type="file"] { flex: 1; min-width: min(220px, 100%); }

/* ---------- Admin ---------- */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: .9rem; margin-bottom: 1.6rem; }
.stat-card { display: flex; flex-direction: column; gap: .05rem; text-decoration: none; }
.stat-num { font-size: 2.1rem; font-weight: 800; color: var(--ink); letter-spacing: -.03em; }
.stat-num.accent { color: #fff; }
.stat-cards > :first-child { background: linear-gradient(135deg, var(--primary), var(--primary-deep)); border-color: transparent; }
.stat-cards > :first-child .stat-num { color: #fff; }
.stat-cards > :first-child .muted { color: rgba(255,255,255,.82); }
.admin-cols { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 1.2rem; align-items: start; }
.activity-card p { padding: .3rem 0; border-bottom: 1px dashed var(--border); overflow-wrap: anywhere; }
.activity-card p:last-child { border-bottom: none; }
.quick-actions { display: flex; flex-direction: column; gap: .7rem; margin-top: 1rem; }
.table-wrap { padding: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 720px; }
.table th { text-align: left; font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; color: var(--text-3); padding: .9rem 1rem; border-bottom: 1px solid var(--border); }
.table td { padding: .9rem 1rem; border-bottom: 1px solid var(--border); vertical-align: top; color: var(--text); }
.table td strong { color: var(--ink); }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--surface-2); }
.ta-r { text-align: right; }
.inline-form { display: inline-flex; gap: .4rem; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.student-card summary { display: flex; align-items: center; gap: .85rem; cursor: pointer; list-style: none; flex-wrap: wrap; }
.student-card summary::-webkit-details-marker { display: none; }
.student-card summary strong { color: var(--ink); }
.student-detail { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.note-form { display: flex; flex-direction: column; gap: .6rem; align-items: flex-start; margin-top: .6rem; width: 100%; }
.question-form { display: flex; flex-direction: column; gap: .8rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.email-preview { margin-top: 1rem; display: flex; flex-direction: column; gap: .8rem; }
.email-preview iframe { width: 100%; height: 320px; border: 1px solid var(--border); border-radius: var(--r-sm); background: #fff; }

/* Calendar */
.cal-controls { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.cal-nav { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.cal-label { font-size: 1.02rem; color: var(--ink); margin-left: .5rem; }

/* Time grid (Reservio-style day/week views) */
.tg { padding: 0; overflow-x: auto; }
.tg-head { display: flex; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--surface); z-index: 2; }
.tg-axis-spacer { width: 58px; flex: none; border-right: 1px solid var(--border); }
.tg-day-head {
  flex: 1; min-width: 110px; text-align: center; padding: .65rem .3rem;
  border-right: 1px solid var(--border); display: flex; flex-direction: column; gap: .05rem;
}
.tg-day-head:last-child { border-right: none; }
.tg-dayname { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--text-2); }
.tg-daynum { font-size: .82rem; color: var(--text-3); }
.tg-day-head.tg-today .tg-dayname { color: var(--primary-strong); }
.tg-day-head.tg-today .tg-daynum {
  color: #fff; background: var(--primary-strong); border-radius: var(--r-pill);
  width: fit-content; margin: 0 auto; padding: 0 .55rem;
}
.tg-body { display: flex; }
.tg-axis { width: 58px; flex: none; border-right: 1px solid var(--border); }
.tg-hour {
  font-size: .72rem; color: var(--text-3); text-align: right;
  padding: 2px .5rem 0 0; border-bottom: 1px solid var(--border); box-sizing: border-box;
}
.tg-cols { flex: 1; display: flex; }
.tg-col {
  flex: 1; min-width: 110px; position: relative; border-right: 1px solid var(--border);
  background: repeating-linear-gradient(to bottom,
    transparent 0, transparent calc(var(--hh) - 1px),
    var(--border) calc(var(--hh) - 1px), var(--border) var(--hh));
}
.tg-col:last-child { border-right: none; }
.tg-today-col { background-color: color-mix(in srgb, var(--primary-soft) 45%, transparent); }
.tg-event {
  position: absolute; left: 4px; right: 4px; z-index: 1;
  border: none; border-radius: 7px; border-left: 3px solid; padding: .28rem .5rem;
  display: flex; flex-direction: column; gap: 0; overflow: hidden;
  font: inherit; font-size: .74rem; line-height: 1.35; text-align: left;
  box-shadow: var(--shadow-sm); cursor: pointer; transition: box-shadow .15s, transform .15s;
}
.tg-event:hover { box-shadow: var(--shadow-md); transform: scale(1.015); z-index: 2; }
button.cal-event { width: 100%; border: none; border-left: 3px solid; text-align: left; font: inherit; font-size: .75rem; cursor: pointer; }
button.cal-event:hover { box-shadow: var(--shadow-sm); }
.detail-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.detail-head h3 { overflow-wrap: anywhere; }
.detail-contact { display: flex; flex-direction: column; gap: .35rem; font-size: .92rem; }
.detail-contact a, .detail-contact span { color: var(--text-2); text-decoration: none; display: inline-flex; gap: .5rem; align-items: center; }
.detail-contact a { color: var(--primary-strong); }
.detail-notes { background: var(--surface-2); border-radius: var(--r-sm); padding: .6rem .8rem; color: var(--text-2); }
.tg-event strong { font-size: .78rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tg-buffer {
  position: absolute; left: 4px; right: 4px; border-radius: 0 0 7px 7px;
  background: repeating-linear-gradient(-45deg,
    color-mix(in srgb, var(--text-3) 22%, transparent) 0 4px, transparent 4px 8px);
}
.tg-pending { border-left-style: dashed; opacity: .75; }
/* time-off band behind events */
.tg-off {
  position: absolute; left: 0; right: 0; z-index: 0; overflow: hidden;
  background: repeating-linear-gradient(-45deg,
    color-mix(in srgb, var(--danger) 16%, transparent) 0 7px, transparent 7px 14px);
  border-top: 1px dashed color-mix(in srgb, var(--danger) 40%, transparent);
  border-bottom: 1px dashed color-mix(in srgb, var(--danger) 40%, transparent);
}
.tg-off span {
  position: sticky; top: 2px; display: block; text-align: center;
  font-size: .64rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--danger); opacity: .8;
}
.cal-off-chip {
  display: inline-flex; align-items: center; gap: .25rem; margin-bottom: .35rem;
  font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  color: var(--danger); background: var(--danger-soft); padding: .12rem .45rem; border-radius: 6px;
}
.cal-day-off { background: color-mix(in srgb, var(--danger-soft) 55%, var(--surface)); }
.tg-now { position: absolute; left: 0; right: 0; height: 2px; background: #E5484D; z-index: 3; }
.tg-now::before { content: ""; position: absolute; left: -4px; top: -3px; width: 8px; height: 8px; border-radius: 50%; background: #E5484D; }
.tg-now-time {
  position: absolute; right: 4px; top: -9px; font-size: .68rem; font-weight: 700;
  color: #fff; background: #E5484D; border-radius: 5px; padding: 0 .35rem;
}

/* Pastel event palette (hashed per student).
   Doubled selectors out-rank the generic .cal-event rule that appears later. */
.ev-0, .cal-event.ev-0 { background: #FDEFDD; border-color: #F5A623; color: #8a5a10; }
.ev-1, .cal-event.ev-1 { background: #E3F2E8; border-color: #34A853; color: #1e6b38; }
.ev-2, .cal-event.ev-2 { background: #E3EDFB; border-color: #4285F4; color: #1e4e9c; }
.ev-3, .cal-event.ev-3 { background: #EFE7FA; border-color: #8B5CF6; color: #5B21B6; }
.ev-4, .cal-event.ev-4 { background: #FDE7EE; border-color: #EC4899; color: #9d2458; }
[data-theme="dark"] .ev-0 { background: rgba(245,166,35,.16); color: #FCD9A0; }
[data-theme="dark"] .ev-1 { background: rgba(52,168,83,.16);  color: #A7E3B9; }
[data-theme="dark"] .ev-2 { background: rgba(66,133,244,.16); color: #AFCBF8; }
[data-theme="dark"] .ev-3 { background: rgba(139,92,246,.18); color: #CDB8F9; }
[data-theme="dark"] .ev-4 { background: rgba(236,72,153,.16); color: #F6B3D0; }
.cal-grid { display: grid; gap: .55rem; }
.cal-day { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); padding: .75rem; min-height: 88px; min-width: 0; }
.cal-week, .cal-month { grid-template-columns: repeat(7, minmax(0, 1fr)); }
.cal-day-head { font-size: .72rem; font-weight: 700; color: var(--text-3); text-transform: uppercase; margin-bottom: .5rem; }
.cal-today { border-color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.cal-event {
  display: flex; flex-direction: column; font-size: .75rem; gap: .05rem;
  background: var(--primary-soft); color: var(--primary-strong);
  border-left: 3px solid var(--primary-strong); border-radius: 6px; padding: .35rem .5rem; margin-bottom: .35rem;
  overflow-wrap: anywhere;
}
.cal-pending { background: var(--surface-2); color: var(--text-2); border-left-color: var(--text-3); }
.cal-buffer { opacity: .6; font-size: .68rem; }

/* ---------- Tests ---------- */
.test-wrap { max-width: 760px; }
.test-meta { display: flex; gap: .6rem; margin: .8rem 0; flex-wrap: wrap; }
.progress { height: 5px; background: var(--surface-2); border-radius: 3px; overflow: hidden; }
.progress-bar { height: 100%; width: 0; background: var(--primary-strong); transition: width .3s; }
.question-card { min-height: 240px; }
.q-text { font-size: 1.1rem; font-weight: 650; color: var(--ink); margin-bottom: 1.2rem; }
.q-options { display: grid; gap: .55rem; }
.q-option {
  display: flex; gap: .7rem; align-items: center; padding: .8rem 1rem;
  border: 1.5px solid var(--border); border-radius: var(--r-sm); cursor: pointer;
  background: var(--surface); transition: all .12s; font: inherit; color: var(--text); text-align: left;
}
.q-option:hover { border-color: var(--primary); }
.q-option.active { border-color: var(--primary-strong); background: var(--primary-soft); color: var(--primary-strong); font-weight: 600; }
.test-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.2rem; }
.result-card { text-align: center; display: flex; flex-direction: column; gap: 1rem; align-items: center; margin-top: 1.5rem; }
.score-ring {
  width: 130px; height: 130px; border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(var(--primary-strong) var(--pct, 0%), var(--surface-2) 0);
}
.score-ring span { background: var(--surface); border-radius: 50%; width: 100px; height: 100px; display: grid; place-items: center; color: var(--ink); font-size: 1.5rem; font-weight: 800; }
.test-card { display: flex; flex-direction: column; gap: .7rem; align-items: flex-start; }
.test-card .btn { margin-top: auto; }

/* ---------- Toasts & modals ---------- */
.toast-stack { position: fixed; right: 1rem; top: 4rem; display: flex; flex-direction: column; gap: .6rem; z-index: 300; max-width: min(360px, calc(100vw - 2rem)); }
.toast {
  background: var(--surface); color: var(--ink); border: 1px solid var(--border);
  border-left: 4px solid var(--primary-strong); border-radius: var(--r-sm);
  box-shadow: var(--shadow-lg); padding: .85rem 1.1rem; font-size: .9rem; font-weight: 500;
  animation: toastIn .3s ease;
}
.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--warning); }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } }
.toast.hide { opacity: 0; transform: translateX(16px); transition: all .3s; }
.modal { position: fixed; inset: 0; background: rgba(10,10,14,.55); backdrop-filter: blur(3px); display: grid; place-items: center; z-index: 400; padding: 1rem; }
.modal[hidden] { display: none; }
.modal-box { width: min(480px, 100%); max-height: 85vh; overflow: auto; display: flex; flex-direction: column; gap: 1rem; animation: fadeIn .2s ease; }
.modal-actions { display: flex; justify-content: flex-end; gap: .6rem; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--surface); margin-top: 3rem; }
.footer-grid {
  max-width: 1120px; margin: 0 auto; padding: 2.6rem 1.4rem 2rem;
  display: grid; grid-template-columns: 1.6fr 1fr 1.2fr; gap: 2.5rem;
}
.footer-col { display: flex; flex-direction: column; gap: .45rem; align-items: flex-start; }
.footer-col h4 { font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); margin-bottom: .35rem; }
.footer-col a, .footer-col span {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--text-2); text-decoration: none; font-size: .92rem; padding: .12rem 0;
}
.footer-col a:hover { color: var(--primary-strong); }
.footer-about .brand { margin-bottom: .6rem; }
.footer-about p { max-width: 38ch; }
.footer-bottom {
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
  max-width: 1120px; margin: 0 auto; padding: 1.1rem 1.4rem;
}

/* ---------- Section heads (home) ---------- */
.section-tint { background: var(--surface-2); padding-top: clamp(2.2rem, 4vw, 3.2rem); padding-bottom: clamp(2.2rem, 4vw, 3.2rem); }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 2.2rem; }
.section-eyebrow {
  display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--secondary); margin-bottom: .55rem;
}
.section-head h2 { margin-bottom: .5rem; }
.section-head p { color: var(--text-2); font-size: 1.02rem; }

/* ---------- About Me cards (modern, duotone accents) ---------- */
.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.1rem; }
.about-card { position: relative; overflow: hidden; transition: box-shadow .2s, border-color .2s, transform .2s; }
.about-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.about-card:hover::before { transform: scaleX(1); }
.about-card .icon-tile { width: 46px; height: 46px; border-radius: 12px; margin-bottom: 1rem; }
.about-card h3 { margin-bottom: .5rem; font-size: 1.05rem; }
.about-card:nth-child(odd)  { --accent: var(--primary-strong); }
.about-card:nth-child(even) { --accent: var(--secondary); }
.about-card:nth-child(odd)  .icon-tile { background: var(--primary-soft);   color: var(--primary-strong); }
.about-card:nth-child(even) .icon-tile { background: var(--secondary-soft); color: var(--secondary); }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 1.2rem; align-items: start; max-width: 960px; margin: 0 auto; }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.contact-aside { display: flex; flex-direction: column; gap: .7rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r); padding: 1.6rem; }
.contact-aside h3 { margin-bottom: .4rem; }
.contact-line { display: flex; align-items: center; gap: .7rem; color: var(--text); text-decoration: none; font-weight: 550; font-size: .95rem; }
.contact-line .icon-tile { width: 38px; height: 38px; }
a.contact-line:hover { color: var(--primary-strong); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- Methodology (home) ---------- */
.method-lead {
  max-width: 760px; margin: 0 auto 2.4rem; padding: 1.7rem 1.9rem;
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--secondary);
  border-radius: var(--r); box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: .85rem;
}
.method-lead p:first-child { font-size: 1.12rem; line-height: 1.6; color: var(--ink); font-weight: 500; }
.method-lead p { color: var(--text-2); }
.method-sub { text-align: center; font-size: 1.18rem; font-weight: 750; color: var(--ink); margin: 0 0 1.5rem; }
.method-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: .9rem; }
.method-item { display: flex; gap: 1rem; align-items: flex-start; transition: box-shadow .2s, border-color .2s, transform .2s; }
.method-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--primary) 40%, var(--border)); }
.method-num {
  width: 40px; height: 40px; flex: none; border-radius: 50%;
  background: var(--duo); color: #fff;
  font-weight: 800; font-size: 1rem; display: grid; place-items: center; box-shadow: var(--shadow-sm);
}
.method-item h4 { font-size: 1rem; margin-bottom: .2rem; }
.method-item p { font-size: .9rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .booking-grid { grid-template-columns: minmax(0, 1fr) 300px; }
}
@media (max-width: 900px) {
  .booking-grid, .admin-cols, .about-split, .dash-split { grid-template-columns: 1fr; }
  .booking-side, .progress-col { position: static; }
  .cal-week, .cal-month { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}
/* ---- Mobile header: hamburger + dropdown panel ---- */
@media (max-width: 820px) {
  .topbar-inner { min-height: 60px; }
  .nav-toggle { display: grid; }

  /* the collapse wrapper becomes a full-width dropdown panel */
  .topbar-collapse {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: .35rem;
    background: var(--surface); border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg); padding: .7rem 1rem 1rem;
    max-height: calc(100vh - 60px); overflow-y: auto;
  }
  .topbar-collapse.open { display: flex; animation: menuIn .18s ease; }

  /* nav links stacked, larger tap targets */
  .main-nav { flex-direction: column; gap: .15rem; margin: 0; width: 100%; }
  .nav-item { padding: .8rem 1rem; font-size: 1rem; border-radius: var(--r-sm); }
  .nav-item.active { background: var(--primary-soft); }

  /* actions stack below the links */
  .topbar-actions {
    flex-direction: column; align-items: stretch; gap: .7rem; margin: 0;
    padding-top: .7rem; border-top: 1px solid var(--border);
  }
  .util-group { justify-content: space-between; }
  .lang-switch { flex: 1; justify-content: center; }
  .topbar-divider { display: none; }

  /* logged-out buttons full width */
  .topbar-actions > .btn { width: 100%; }

  /* account shown inline (no dropdown) inside the panel */
  .account { width: 100%; }
  .account-btn { display: none; }
  .account-menu {
    display: flex; position: static; min-width: 0; width: 100%;
    box-shadow: none; border: none; padding: 0; animation: none;
  }
  .account-head { padding: .2rem .2rem .7rem; }
  .account-menu a { padding: .8rem 1rem; font-size: 1rem; }
}
@media (max-width: 640px) {
  .topbar-inner { gap: .5rem; padding: .55rem .9rem; }
  .icon-btn { width: 38px; height: 38px; }
  .brand-name { font-size: .98rem; }
  .form-grid { grid-template-columns: 1fr; }
  .row-card { align-items: flex-start; }
  .row-actions { width: 100%; justify-content: flex-end; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.6rem; padding: 2rem 1.25rem 1.4rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: .3rem; }
  .test-nav { flex-wrap: wrap; }
  .seg { min-width: calc(33% - .6rem); }
  .stat-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 400px) {
  .seg { min-width: calc(50% - .6rem); }
}