/* =====================================================
   Dr. G.P. Thakur Portal — Design System
   Powered by Mehrizm · The Journey Within
   ===================================================== */

/* ---------- 1. Reset + base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

/* ---------- 2. Design tokens ---------- */
:root {
  /* Brand palette */
  --c-primary: #1FA4E0;          /* Mehrizm cyan-blue */
  --c-primary-dark: #0E6FA4;
  --c-primary-deep: #08436B;
  --c-primary-soft: #E6F4FB;

  --c-accent: #5EBA7D;           /* sage green */
  --c-accent-dark: #3F8E5B;
  --c-accent-soft: #E8F5ED;

  --c-warm: #F4A261;             /* warm amber for highlights */
  --c-warm-soft: #FCEFE0;

  --c-danger: #E25C5C;
  --c-danger-soft: #FBE7E7;

  --c-ink: #1A2B3C;
  --c-ink-soft: #4A5C6E;
  --c-muted: #8A9BAC;
  --c-line: #E1E8EF;

  --c-bg: #F7FBFE;
  --c-surface: #FFFFFF;
  --c-surface-2: #F0F8FF;

  /* Spacing scale (8pt) */
  --s-1: 4px;  --s-2: 8px;   --s-3: 12px;  --s-4: 16px;
  --s-5: 24px; --s-6: 32px;  --s-7: 48px;  --s-8: 64px;  --s-9: 96px;

  /* Radii */
  --r-1: 6px; --r-2: 10px; --r-3: 16px; --r-4: 24px; --r-full: 999px;

  /* Shadows — soft and layered */
  --sh-1: 0 1px 2px rgba(15, 35, 60, 0.06), 0 1px 4px rgba(15, 35, 60, 0.04);
  --sh-2: 0 4px 12px rgba(15, 35, 60, 0.08), 0 2px 4px rgba(15, 35, 60, 0.04);
  --sh-3: 0 12px 32px rgba(15, 35, 60, 0.10), 0 4px 8px rgba(15, 35, 60, 0.06);
  --sh-4: 0 24px 64px rgba(15, 35, 60, 0.14), 0 8px 16px rgba(15, 35, 60, 0.08);

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --t-fast: 160ms;
  --t-base: 280ms;
  --t-slow: 520ms;

  /* Layout */
  --container: 1180px;
}

/* ---------- 3. Typography ---------- */
.font-serif, h1, h2, h3 {
  font-family: 'Playfair Display', 'Iowan Old Style', Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--c-ink);
}
h1 { font-size: clamp(2.4rem, 4.6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.6rem); }
h4 { font-weight: 600; font-size: 1.1rem; }
p  { color: var(--c-ink-soft); }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: var(--s-3);
}
.lede { font-size: 1.15rem; color: var(--c-ink-soft); max-width: 60ch; }
.text-center { text-align: center; }
.text-muted { color: var(--c-muted); }

/* ---------- 4. Layout primitives ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--s-5); }
.section { padding: var(--s-9) 0; }
.section-tight { padding: var(--s-7) 0; }
.grid { display: grid; gap: var(--s-5); }
.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)); }
.flex { display: flex; gap: var(--s-4); }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); }
.stack > * + * { margin-top: var(--s-4); }
.stack-lg > * + * { margin-top: var(--s-6); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

/* ---------- 5. Top navigation ---------- */
.topnav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: saturate(180%) blur(14px);
  background: rgba(255,255,255,0.78);
  border-bottom: 1px solid var(--c-line);
}
.topnav-inner { display: flex; align-items: center; justify-content: space-between; padding: var(--s-3) var(--s-5); max-width: var(--container); margin: 0 auto; }
.brand { display: flex; align-items: center; gap: var(--s-3); }
.brand-logo {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
  border-radius: var(--r-2);
  display: grid; place-items: center;
  color: white; font-weight: 700; font-family: 'Playfair Display', serif; font-size: 1.1rem;
  box-shadow: var(--sh-2);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: 'Playfair Display', serif; font-size: 1.05rem; color: var(--c-ink); }
.brand-text small { font-size: 0.72rem; letter-spacing: 0.08em; color: var(--c-muted); text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: var(--s-5); }
.nav-links a {
  font-weight: 500; color: var(--c-ink-soft); font-size: 0.95rem;
  transition: color var(--t-fast) var(--ease);
}
.nav-links a:hover { color: var(--c-primary); }
.nav-links a.is-active { color: var(--c-primary); position: relative; }
.nav-links a.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 2px; background: var(--c-primary); border-radius: 2px; }
.nav-links .nav-login { font-weight: 600; color: var(--c-primary); }
.nav-links .nav-login:hover { color: var(--c-primary-deep); }

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  padding: 14px 26px;
  border-radius: var(--r-full);
  font-weight: 600; font-size: 0.95rem;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: white;
  box-shadow: 0 6px 16px rgba(31, 164, 224, 0.32);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(31, 164, 224, 0.42); }
.btn-accent {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-dark) 100%);
  color: white;
  box-shadow: 0 6px 16px rgba(94, 186, 125, 0.30);
}
.btn-accent:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(94, 186, 125, 0.42); }
.btn-ghost {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  color: var(--c-ink);
  box-shadow: var(--sh-1);
}
.btn-ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn[disabled], .btn.is-disabled { opacity: 0.55; pointer-events: none; }

/* ---------- 7. Card ---------- */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-3);
  padding: var(--s-6);
  box-shadow: var(--sh-1);
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--sh-3); border-color: transparent; }
.card-tight { padding: var(--s-5); }
.card-soft { background: var(--c-surface-2); border-color: transparent; }

/* ---------- 8. Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: var(--r-full);
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.02em;
}
.badge-primary { background: var(--c-primary-soft); color: var(--c-primary-dark); }
.badge-accent { background: var(--c-accent-soft); color: var(--c-accent-dark); }
.badge-warm { background: var(--c-warm-soft); color: #B86A2A; }
.badge-danger { background: var(--c-danger-soft); color: #B83A3A; }
.badge-muted { background: #F1F4F8; color: var(--c-ink-soft); }
.badge-dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------- 9. Forms ---------- */
.field { display: flex; flex-direction: column; gap: var(--s-2); }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--c-ink); }
.field input, .field select, .field textarea {
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-2);
  background: var(--c-surface);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 4px var(--c-primary-soft);
}

/* ---------- 10. Footer ---------- */
.footer {
  margin-top: var(--s-9);
  padding: var(--s-7) 0 var(--s-6);
  background: linear-gradient(180deg, transparent 0%, var(--c-primary-soft) 100%);
  border-top: 1px solid var(--c-line);
}
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s-6); }
.footer h5 { font-weight: 600; font-size: 0.85rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-primary-dark); margin-bottom: var(--s-3); }
.footer a { display: block; padding: 4px 0; color: var(--c-ink-soft); font-size: 0.92rem; }
.footer a:hover { color: var(--c-primary); }
.footer-bottom { margin-top: var(--s-7); padding-top: var(--s-4); border-top: 1px solid var(--c-line); font-size: 0.82rem; color: var(--c-muted); text-align: center; }

@media (max-width: 760px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ---------- 11. Animations ---------- */
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}
@keyframes drift {
  0%, 100% { transform: translate(0, 0) rotate(0); }
  50%      { transform: translate(20px, -10px) rotate(3deg); }
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(31, 164, 224, 0.45); }
  100% { box-shadow: 0 0 0 22px rgba(31, 164, 224, 0); }
}
@keyframes spin-slow { from { transform: rotate(0); } to { transform: rotate(360deg); } }
@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 720ms var(--ease), transform 720ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: 80ms; }
.reveal.delay-2 { transition-delay: 160ms; }
.reveal.delay-3 { transition-delay: 240ms; }
.reveal.delay-4 { transition-delay: 320ms; }

.float { animation: float-y 6s var(--ease) infinite; }
.drift { animation: drift 9s var(--ease) infinite; }

/* ---------- 12. Utilities ---------- */
.row { display: flex; align-items: center; gap: var(--s-3); }
.col { display: flex; flex-direction: column; gap: var(--s-3); }
.gap-2 { gap: var(--s-2); } .gap-3 { gap: var(--s-3); } .gap-4 { gap: var(--s-4); }
.mt-3 { margin-top: var(--s-3); } .mt-4 { margin-top: var(--s-4); } .mt-5 { margin-top: var(--s-5); } .mt-6 { margin-top: var(--s-6); } .mt-7 { margin-top: var(--s-7); }
.mb-3 { margin-bottom: var(--s-3); } .mb-4 { margin-bottom: var(--s-4); } .mb-5 { margin-bottom: var(--s-5); } .mb-6 { margin-bottom: var(--s-6); }
.pill { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: var(--r-full); background: var(--c-primary-soft); color: var(--c-primary-dark); font-size: 0.78rem; font-weight: 600; }
.divider { height: 1px; background: var(--c-line); margin: var(--s-6) 0; }
.tag-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.dot-low { background: var(--c-accent); }
.dot-med { background: var(--c-warm); }
.dot-high { background: var(--c-danger); }

/* ---------- 12b. Mobile hamburger nav ---------- */
.nav-toggle {
  display: none;
  width: 38px; height: 38px;
  border-radius: var(--r-2);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px;
  background: var(--c-ink); position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--c-ink);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top:  6px; }

@media (max-width: 900px) {
  .topnav-inner { position: relative; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute; top: 100%; right: var(--s-5);
    flex-direction: column;
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--r-3);
    padding: var(--s-3);
    box-shadow: var(--sh-3);
    min-width: 220px;
    gap: var(--s-3);
    align-items: stretch;
    display: none;
    z-index: 200;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a, .nav-links .badge { width: 100%; box-sizing: border-box; }
}

/* Alert ribbon — keep the label tight so the rest of the message wraps cleanly */
.alert-ribbon strong {
  flex: 0 0 auto;
  white-space: nowrap;
}
.alert-ribbon > span,
.alert-ribbon > p {
  flex: 1 1 auto;
  min-width: 0;
}

/* ---------- 13. Toasts ---------- */
.toast-host { position: fixed; top: var(--s-5); right: var(--s-5); display: flex; flex-direction: column; gap: var(--s-3); z-index: 9999; }
.toast {
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-primary);
  padding: var(--s-3) var(--s-5);
  border-radius: var(--r-2);
  box-shadow: var(--sh-3);
  font-size: 0.9rem;
  animation: fade-up 320ms var(--ease);
  max-width: 360px;
}
.toast.toast-success { border-left-color: var(--c-accent); }
.toast.toast-danger  { border-left-color: var(--c-danger); }
.toast.toast-warn    { border-left-color: var(--c-warm); }

/* ---------- 14. Empty state ---------- */
.empty {
  padding: var(--s-8) var(--s-5);
  border: 2px dashed var(--c-line);
  border-radius: var(--r-3);
  text-align: center;
  color: var(--c-muted);
}
.empty svg { margin: 0 auto var(--s-4); opacity: 0.45; }

/* ---------- hydration state: first data load in flight ---------- */
html.mz-hydrating .btn,
html.mz-hydrating button { pointer-events: none; opacity: 0.55; cursor: progress; }
html.mz-hydrating::before {
  content: ""; position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 99999;
  background: linear-gradient(90deg, #1FA4E0, #5EBA7D, #1FA4E0);
  background-size: 200% 100%;
  animation: mzHydrate 1.1s linear infinite;
}
@keyframes mzHydrate { from { background-position: 200% 0; } to { background-position: 0 0; } }