/* NMT Modern v2 — overlay layer atop colors_and_type.css + styles.css.
   Goal: warmer, more inviting student-facing UI without breaking the existing system.
   Add: brighter accents, hero CTA, prominent streak/XP, friendlier shapes. */

:root {
  --m-coral: #f97066;       /* warm encouragement accent */
  --m-coral-dk: #e0524a;
  --m-amber: #fbbf24;
  --m-amber-dk: #f59e0b;
  --m-violet: #8b5cf6;
  --m-grad-hero: linear-gradient(135deg,#0f766e 0%,#14b8a6 50%,#22d3ee 100%);
  --m-grad-warm: linear-gradient(135deg,#fb923c 0%,#f97066 100%);
  --m-grad-streak: linear-gradient(135deg,#fbbf24 0%,#f97066 100%);
  --m-grad-soft: linear-gradient(180deg,#f0fdfa 0%,#fef9c3 100%);
  --m-grad-progress: linear-gradient(90deg,#0f766e,#22d3ee,#fbbf24);
}

/* ============= MODERN HERO ============= */
.m-hero{
  position:relative;
  background:var(--m-grad-hero);
  border-radius:24px;
  padding:30px 32px;
  color:#fff;
  overflow:hidden;
  box-shadow:0 14px 40px rgba(15,118,110,.28);
  margin-bottom:22px;
}
.m-hero::before{
  content:"";position:absolute;top:-60px;right:-40px;width:260px;height:260px;
  background:radial-gradient(circle, rgba(251,191,36,.4), transparent 70%);
  border-radius:50%;
}
.m-hero::after{
  content:"";position:absolute;bottom:-80px;left:30%;width:300px;height:300px;
  background:radial-gradient(circle, rgba(34,211,238,.35), transparent 70%);
  border-radius:50%;
}
.m-hero-row{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.m-hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.18);backdrop-filter:blur(6px);font-size:.78rem;font-weight:600;letter-spacing:.02em;margin-bottom:10px}
.m-hero h1{font-family:var(--font-serif);font-size:2.1rem;font-weight:700;letter-spacing:-.025em;line-height:1.05;margin:0 0 10px;color:#fff}
.m-hero h1 em{font-style:normal;background:linear-gradient(135deg,#fef9c3,#fbbf24);-webkit-background-clip:text;background-clip:text;color:transparent}
.m-hero p{font-size:1rem;margin:0;opacity:.92;max-width:46ch;line-height:1.5}
.m-hero-cta{display:flex;flex-direction:column;gap:10px;min-width:230px}
.m-cta-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 24px;border-radius:14px;border:none;cursor:pointer;
  background:#fff;color:#0f766e;font-family:inherit;font-size:1.05rem;font-weight:700;
  letter-spacing:-.01em;box-shadow:0 8px 22px rgba(0,0,0,.18);
  transition:transform .18s ease, box-shadow .18s ease;
}
.m-cta-btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.25)}
.m-cta-btn .arr{font-size:1.3rem;line-height:1;transition:transform .2s ease}
.m-cta-btn:hover .arr{transform:translateX(4px)}
.m-cta-link{color:rgba(255,255,255,.92);text-decoration:none;font-size:.88rem;text-align:center;font-weight:500;padding:8px;border-radius:8px;transition:background .15s}
.m-cta-link:hover{background:rgba(255,255,255,.12);text-decoration:none;color:#fff}

.m-hero-stats{display:grid;grid-template-columns:repeat(3,auto);gap:24px;margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);position:relative;z-index:1}
.m-hero-stat{display:flex;flex-direction:column}
.m-hero-stat .v{font-family:var(--font-serif);font-size:1.6rem;font-weight:700;line-height:1;letter-spacing:-.02em}
.m-hero-stat .l{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;opacity:.85;margin-top:4px;font-weight:600}

/* ============= STREAK / LEVEL CARDS ============= */
.m-progress-row{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:14px;margin-bottom:22px}
.m-streak-card{
  background:var(--m-grad-streak);color:#fff;border-radius:18px;padding:18px 22px;
  position:relative;overflow:hidden;
  box-shadow:0 8px 24px rgba(249,112,102,.32);
}
.m-streak-card .fire{position:absolute;right:-10px;top:-10px;font-size:90px;opacity:.18;line-height:1}
.m-streak-card .lbl{font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700;opacity:.92}
.m-streak-card .val{font-family:var(--font-serif);font-size:2.6rem;font-weight:700;line-height:1.05;margin:4px 0 2px;letter-spacing:-.03em}
.m-streak-card .sub{font-size:.85rem;opacity:.92}
.m-streak-card .week{display:flex;gap:5px;margin-top:14px}
.m-streak-card .week i{flex:1;height:6px;border-radius:3px;background:rgba(255,255,255,.32)}
.m-streak-card .week i.on{background:#fff}

.m-level-card, .m-best-card{
  background:#fff;border:1px solid var(--nmt-border);border-radius:18px;padding:18px 20px;
  display:flex;flex-direction:column;justify-content:space-between;
  box-shadow:0 2px 12px rgba(15,118,110,.07);
}
.m-level-card .lbl, .m-best-card .lbl{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700;color:var(--nmt-text-muted)}
.m-level-card .val{font-family:var(--font-serif);font-size:1.7rem;font-weight:700;color:var(--nmt-text);margin-top:2px;letter-spacing:-.02em}
.m-level-card .val em{font-style:normal;color:var(--nmt-primary)}
.m-best-card .val{font-family:var(--font-serif);font-size:1.7rem;font-weight:700;background:var(--m-grad-hero);-webkit-background-clip:text;background-clip:text;color:transparent;margin-top:2px;letter-spacing:-.02em}
.m-progress-track{height:8px;background:#e2e8f0;border-radius:999px;margin-top:12px;overflow:hidden}
.m-progress-fill{height:100%;border-radius:999px;background:var(--m-grad-progress);transition:width .6s ease}
.m-level-card .next{font-size:.78rem;color:var(--nmt-text-muted);margin-top:6px}

/* ============= MODERN CONTENT GRID ============= */
.m-grid-2{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;margin-bottom:22px}
@media (max-width:960px){.m-grid-2{grid-template-columns:1fr}}

/* ============= CARDS ============= */
.m-card{
  background:#fff;border:1px solid var(--nmt-border);border-radius:18px;padding:22px 24px;
  box-shadow:0 2px 12px rgba(15,118,110,.06);
}
.m-card-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px}
.m-card-title{font-family:var(--font-serif);font-size:1.15rem;font-weight:700;letter-spacing:-.015em;margin:0}
.m-card-link{font-size:.85rem;color:var(--nmt-primary);text-decoration:none;font-weight:600}
.m-card-link:hover{text-decoration:underline}

/* Recommendations / next-up cards */
.m-rec-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.m-rec{
  display:flex;flex-direction:column;gap:8px;
  padding:16px 18px;border-radius:14px;background:var(--nmt-surface);
  border:1px solid var(--nmt-border);cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  text-decoration:none;color:inherit;
}
.m-rec:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(15,118,110,.14);border-color:#5eead4}
.m-rec-tag{display:inline-flex;align-items:center;gap:5px;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--nmt-primary);width:fit-content}
.m-rec-title{font-family:var(--font-serif);font-size:1.05rem;font-weight:700;color:var(--nmt-text);letter-spacing:-.01em}
.m-rec-meta{font-size:.78rem;color:var(--nmt-text-muted);display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:6px}
.m-rec-meta .duration{display:inline-flex;align-items:center;gap:4px}
.m-rec.warm{background:linear-gradient(160deg,#fff7ed 0%,#fed7aa 100%);border-color:#fdba74}
.m-rec.cool{background:linear-gradient(160deg,#f0fdfa 0%,#ccfbf1 100%);border-color:#5eead4}
.m-rec.violet{background:linear-gradient(160deg,#faf5ff 0%,#e9d5ff 100%);border-color:#c4b5fd}

/* Activity timeline */
.m-activity{display:flex;flex-direction:column;gap:0}
.m-act-item{display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center;padding:11px 0;border-bottom:1px dashed var(--nmt-border)}
.m-act-item:last-child{border-bottom:none}
.m-act-icon{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.m-act-icon.ok{background:#d1fae5;color:#059669}
.m-act-icon.mid{background:#fef3c7;color:#d97706}
.m-act-icon.low{background:#fee2e2;color:#b91c1c}
.m-act-name{font-size:.94rem;font-weight:500;color:var(--nmt-text);margin:0}
.m-act-meta{font-size:.78rem;color:var(--nmt-text-muted);margin-top:2px}
.m-act-score{font-family:var(--font-mono);font-weight:700;font-size:.95rem;color:var(--nmt-text)}
.m-act-pct{font-size:.74rem;color:var(--nmt-text-muted);text-align:right;margin-top:2px}

/* Quick actions */
.m-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:18px}
.m-action{
  display:flex;flex-direction:column;align-items:flex-start;gap:6px;
  padding:14px 16px;border-radius:14px;background:#fff;border:1px solid var(--nmt-border);
  text-decoration:none;color:inherit;cursor:pointer;
  transition:all .18s ease;
}
.m-action:hover{transform:translateY(-2px);border-color:var(--nmt-primary);box-shadow:0 6px 18px rgba(15,118,110,.12)}
.m-action .ico{font-size:1.3rem}
.m-action .ttl{font-size:.92rem;font-weight:600;color:var(--nmt-text)}
.m-action .sub{font-size:.74rem;color:var(--nmt-text-muted)}

/* Goal / weekly progress card */
.m-goal{background:linear-gradient(160deg,#ecfeff 0%,#fff 70%);border:1px solid #a5f3fc;border-radius:18px;padding:18px 22px;display:flex;align-items:center;gap:18px;margin-bottom:18px}
.m-goal-emoji{font-size:2.4rem;line-height:1}
.m-goal-text{flex:1}
.m-goal-text h4{font-family:var(--font-serif);font-size:1.05rem;font-weight:700;margin:0 0 3px;color:var(--nmt-text);letter-spacing:-.01em}
.m-goal-text p{font-size:.85rem;color:var(--nmt-text-muted);margin:0}
.m-goal-bar{flex:1;height:8px;border-radius:999px;background:#cffafe;position:relative;overflow:hidden;max-width:200px}
.m-goal-bar i{position:absolute;inset:0 auto 0 0;background:var(--m-grad-hero);border-radius:999px;transition:width .6s ease}
.m-goal-pct{font-family:var(--font-serif);font-size:1.3rem;font-weight:700;color:var(--nmt-primary);letter-spacing:-.01em;min-width:60px;text-align:right}

/* Choice panels — modernised */
.m-choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;width:100%;margin-top:14px}
.m-choice{
  position:relative;display:flex;flex-direction:column;gap:10px;padding:32px 30px;border-radius:22px;
  text-decoration:none;color:#0f172a;cursor:pointer;overflow:hidden;
  border:1px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease;
  min-height:240px;
}
.m-choice:hover{transform:translateY(-4px)}
.m-choice.personal{background:linear-gradient(160deg,#0f766e 0%,#22d3ee 100%);color:#fff;box-shadow:0 12px 30px rgba(15,118,110,.28)}
.m-choice.personal:hover{box-shadow:0 18px 44px rgba(15,118,110,.36)}
.m-choice.school{background:linear-gradient(160deg,#fbbf24 0%,#f97066 100%);color:#fff;box-shadow:0 12px 30px rgba(251,112,102,.28)}
.m-choice.school:hover{box-shadow:0 18px 44px rgba(251,112,102,.36)}
.m-choice .deco{position:absolute;top:-30px;right:-30px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.14)}
.m-choice .ico{font-size:2.4rem;line-height:1;position:relative;z-index:1}
.m-choice h2{font-family:var(--font-serif);font-size:1.6rem;font-weight:700;margin:0;color:inherit;letter-spacing:-.02em;line-height:1.1;position:relative;z-index:1}
.m-choice p{font-size:.94rem;line-height:1.5;margin:0;opacity:.94;position:relative;z-index:1}
.m-choice .arr{margin-top:auto;font-weight:700;font-size:.92rem;display:inline-flex;align-items:center;gap:6px;position:relative;z-index:1}
.m-choice .arr span{transition:transform .2s}
.m-choice:hover .arr span{transform:translateX(4px)}

/* Top-of-page intro on guest */
.m-guest-intro{text-align:center;padding:32px 20px 18px;max-width:680px;margin:0 auto}
.m-guest-intro h1{font-family:var(--font-serif);font-size:2.5rem;font-weight:700;letter-spacing:-.03em;margin:0 0 12px;line-height:1.05;color:var(--nmt-text)}
.m-guest-intro h1 em{font-style:normal;background:var(--m-grad-hero);-webkit-background-clip:text;background-clip:text;color:transparent}
.m-guest-intro p{font-size:1.05rem;color:var(--nmt-text-muted);margin:0;line-height:1.55}
.m-guest-tags{display:flex;justify-content:center;gap:10px;margin-top:16px;flex-wrap:wrap}
.m-guest-tag{font-size:.82rem;padding:6px 14px;border-radius:999px;background:#f0fdfa;color:#0f766e;border:1px solid #99f6e4;font-weight:500;display:inline-flex;align-items:center;gap:6px}

/* ============= DASHBOARD WELCOME IN HERO ============= */
.m-hero .dashboard-welcome{font-family:var(--font-serif);font-size:2rem;font-weight:700;letter-spacing:-.025em;line-height:1.1;margin:0 0 10px;color:#fff}
.m-hero .dashboard-welcome em{font-style:normal;color:#fde68a;text-shadow:0 1px 8px rgba(0,0,0,0.18)}
.m-hero p{font-size:1rem;margin:0;opacity:.92;max-width:60ch;line-height:1.5;color:#fff}

/* ============= DARK THEME OVERRIDES ============= */
body.theme-dark .m-hero{background:linear-gradient(135deg,#134e4a 0%,#0f766e 50%,#0e7490 100%)}
body.theme-dark .m-level-card,body.theme-dark .m-best-card{background:var(--nmt-surface);border-color:var(--nmt-border)}
body.theme-dark .m-card{background:var(--nmt-surface);border-color:var(--nmt-border)}
body.theme-dark .m-rec{background:var(--nmt-surface);border-color:var(--nmt-border)}
body.theme-dark .m-rec.warm{background:rgba(253,186,116,.08);border-color:rgba(253,186,116,.25)}
body.theme-dark .m-rec.cool{background:rgba(94,234,212,.06);border-color:rgba(94,234,212,.2)}
body.theme-dark .m-rec.violet{background:rgba(196,181,253,.06);border-color:rgba(196,181,253,.2)}
body.theme-dark .m-action{background:var(--nmt-surface);border-color:var(--nmt-border)}
body.theme-dark .m-goal{background:rgba(21,94,117,.2);border-color:rgba(165,243,252,.2)}
body.theme-dark .m-guest-tag{background:rgba(15,118,110,.2);border-color:rgba(45,212,191,.3);color:var(--nmt-primary)}

/* ============= PREMIUM HEADER & NAV BUTTONS ============= */

/* Header — deeper, crisper shadow */
.app-header {
  box-shadow:
    0 1px 0 rgba(255,255,255,0.9) inset,
    0 2px 8px rgba(15,118,110,0.06),
    0 8px 24px rgba(15,118,110,0.09);
  border-color: rgba(226,232,240,0.8);
}

/* Logo — warm teal glow */
.header-logo {
  box-shadow: 0 2px 10px rgba(15,118,110,0.28);
}

/* Nav pill links — subtle gradient + inner shine + lift on hover */
.info-link {
  background: linear-gradient(145deg, #f0fdf9 0%, var(--nmt-primary-light) 100%);
  border: 1px solid rgba(15,118,110,0.20);
  box-shadow: 0 1px 3px rgba(15,118,110,0.10), inset 0 1px 0 rgba(255,255,255,0.75);
  transition: background 0.18s, color 0.18s, border-color 0.18s, box-shadow 0.18s, transform 0.15s;
}
.info-link:hover {
  background: linear-gradient(145deg, #ccfbf1 0%, #a7f3d0 100%);
  border-color: rgba(15,118,110,0.32);
  box-shadow: 0 4px 14px rgba(15,118,110,0.18), inset 0 1px 0 rgba(255,255,255,0.75);
  transform: translateY(-1px);
}
.info-link:active { transform: translateY(0); }

/* Logout button — add lift to existing fill-on-hover */
.btn-logout {
  transition: background 0.18s, color 0.18s, border-color 0.18s, box-shadow 0.18s, transform 0.15s;
}
.btn-logout:hover { transform: translateY(-1px); }
.btn-logout:active { transform: translateY(0); }

/* Plan badge — gradient tints + lift */
.header-plan-badge {
  transition: opacity 0.15s, box-shadow 0.15s, transform 0.15s;
}
.header-plan-badge:hover { transform: translateY(-1px); }
.header-plan-badge.plan-none {
  background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid #e2e8f0;
}
.header-plan-badge.plan-standard {
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
  box-shadow: 0 1px 6px rgba(29,78,216,0.12);
}
.header-plan-badge.plan-premium {
  box-shadow: 0 2px 12px rgba(124,58,237,0.32);
}

/* Secondary buttons — lift + shadow */
.btn-secondary {
  transition: background 0.15s, border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.btn-secondary:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(15,23,42,0.08);
}
.btn-secondary:active { transform: translateY(0); box-shadow: none; }

/* Formula reference button — lift */
.btn-formula-ref {
  box-shadow: 0 1px 3px rgba(37,99,235,0.10);
  transition: background 0.15s, border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.btn-formula-ref:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37,99,235,0.18);
}
.btn-formula-ref:active { transform: translateY(0); }

/* Back link — pill hover area instead of underline */
.start-back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 8px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
.start-back-link:hover {
  background: rgba(100,116,139,0.10);
  color: #475569;
  text-decoration: none;
}

/* ── Dark theme overrides ── */
body.theme-dark .app-header {
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 2px 12px rgba(0,0,0,0.22);
}
body.theme-dark .info-link {
  background: linear-gradient(145deg, #52647a 0%, var(--nmt-border) 100%);
  box-shadow: 0 1px 3px rgba(0,0,0,0.22), inset 0 1px 0 rgba(255,255,255,0.07);
}
body.theme-dark .info-link:hover {
  background: linear-gradient(145deg, #637a90 0%, #536070 100%);
  box-shadow: 0 4px 14px rgba(0,0,0,0.30), inset 0 1px 0 rgba(255,255,255,0.07);
}
body.theme-dark .header-plan-badge.plan-none {
  background: linear-gradient(145deg, var(--nmt-border) 0%, #394562 100%);
  border-color: rgba(255,255,255,0.08);
}
body.theme-dark .btn-secondary:hover {
  box-shadow: 0 3px 10px rgba(0,0,0,0.22);
}

/* ── Contrast theme — disable decorative shadows/transforms ── */
body.theme-contrast .info-link,
body.theme-contrast .info-link:hover { box-shadow: none; transform: none; }
body.theme-contrast .btn-logout:hover,
body.theme-contrast .btn-secondary:hover,
body.theme-contrast .btn-formula-ref:hover { transform: none; box-shadow: none; }
body.theme-contrast .header-plan-badge:hover { transform: none; }

/* ============= RESPONSIVE ============= */
@media (max-width:768px){
  .m-hero{padding:22px 20px}
  .m-hero-row{grid-template-columns:1fr;gap:16px}
  .m-hero h1,.m-hero .dashboard-welcome{font-size:1.6rem}
  .m-progress-row{grid-template-columns:1fr}
  .m-choice-grid{grid-template-columns:1fr}
  .m-choice{padding:24px 22px;min-height:180px}
  .m-guest-intro h1{font-size:1.9rem}
  .m-hero-stats{grid-template-columns:repeat(3,1fr);gap:14px}
  .m-actions{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:480px){
  .m-hero{padding:16px 14px;border-radius:10px}
  .m-hero h1,.m-hero .dashboard-welcome{font-size:1.35rem}
  .m-hero p{font-size:.9rem}
  .m-choice{padding:20px 16px;min-height:150px;border-radius:14px}
  .m-choice h2{font-size:1.3rem}
  .m-choice p{font-size:.86rem}
  .m-guest-intro h1{font-size:1.5rem}
  .m-guest-intro p{font-size:.9rem}
  .m-hero-stats{grid-template-columns:1fr 1fr;gap:10px}
  .m-hero-stat{padding:12px}
  .m-hero-stat-value{font-size:1.4rem}
  .m-hero-stat-label{font-size:.72rem}
  .m-actions{grid-template-columns:1fr}
  .m-action{padding:14px 16px}
  .m-action-title{font-size:.92rem}
  .m-action-desc{font-size:.8rem}
  .m-progress-bar-wrap{padding:12px 14px}
  .m-progress-label{font-size:.82rem}
}