/* =====================================================================
   MatchChaser App — Shared stylesheet
   =====================================================================
   Carries the design language from the marketing landing page:
   - Dark editorial aesthetic
   - Fraunces (display serif) + Archivo (sans) + JetBrains Mono (data)
   - Hit-factor orange accent (#ff7a1a)
   - Alpha-zone lime accent (#d4ff00) for affirmative data
   - Subtle film grain overlay
   ===================================================================== */

:root {
    --ink: #0a0a0a;
    --ink-soft: #141414;
    --ink-line: #232323;
    --ink-line-hi: #383838;
    --paper: #f4efe6;
    --paper-dim: #c9c2b4;
    --paper-soft: #8a8579;
    --hit: #ff7a1a;
    --hit-dim: #b35617;
    --hit-soft: rgba(255, 122, 26, 0.12);
    --alpha: #d4ff00;
    --alpha-dim: rgba(212, 255, 0, 0.16);
    --danger: #ff5c5c;
    --danger-dim: rgba(255, 92, 92, 0.12);
    --warn: #ffb84d;
    --warn-dim: rgba(255, 184, 77, 0.12);

    --display: 'Fraunces', Georgia, serif;
    --sans: 'Archivo', system-ui, sans-serif;
    --mono: 'JetBrains Mono', ui-monospace, monospace;

    --r-sm: 3px;
    --r-md: 6px;
    --r-lg: 10px;

    --t-fast: 0.15s ease;
    --t-base: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background: var(--ink);
    color: var(--paper);
    font-family: var(--sans);
    font-size: 15px;
    line-height: 1.55;
    min-height: 100vh;
    background-image:
        radial-gradient(ellipse 60% 35% at 80% -10%, rgba(255,122,26,0.06), transparent 60%),
        radial-gradient(ellipse 40% 30% at 0% 100%, rgba(255,122,26,0.03), transparent 50%);
    background-attachment: fixed;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.025;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    mix-blend-mode: overlay;
}

a { color: var(--hit); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--paper); }

button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ---------- Layout ---------- */
.app-shell {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
    width: 100%;
}

/* ---------- Top nav ---------- */
.topnav {
    border-bottom: 1px solid var(--ink-line);
    background: rgba(10,10,10,0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}
.topnav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
    gap: 24px;
}
.brand {
    font-family: var(--display);
    font-weight: 900;
    font-size: 20px;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--paper);
}
.brand:hover { color: var(--paper); }
.brand-mark {
    width: 22px; height: 22px;
    border: 2px solid var(--hit);
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
}
.brand-mark::after {
    content: '';
    position: absolute;
    inset: 4px;
    background: var(--hit);
    border-radius: 50%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}
.nav-links a {
    display: block;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--paper-dim);
    border-radius: var(--r-sm);
    transition: color var(--t-fast), background var(--t-fast);
}
.nav-links a:hover { color: var(--paper); background: var(--ink-soft); }
.nav-links a.active { color: var(--hit); background: var(--hit-soft); }

.nav-user {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--paper-soft);
    letter-spacing: 0.04em;
}
.nav-user .nu-name { color: var(--paper); }

/* ---------- Headings + section header ---------- */
h1, h2, h3, h4 {
    font-family: var(--display);
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--paper);
}
h1 { font-size: clamp(32px, 4vw, 48px); line-height: 1; margin-bottom: 12px; }
h2 { font-size: clamp(24px, 3vw, 32px); line-height: 1.1; margin-bottom: 12px; }
h3 { font-size: 19px; margin-bottom: 8px; }
h4 { font-size: 16px; margin-bottom: 6px; }
em { font-style: italic; color: var(--hit); }

.page-head {
    padding: 48px 0 32px;
    border-bottom: 1px solid var(--ink-line);
    margin-bottom: 40px;
}
.page-head .mark {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--hit);
    text-transform: uppercase;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.page-head .mark::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--hit);
}
.page-head p.lede {
    color: var(--paper-dim);
    font-size: 16px;
    max-width: 640px;
    margin-top: 6px;
}

/* ---------- Cards ---------- */
.card {
    background: var(--ink-soft);
    border: 1px solid var(--ink-line);
    border-radius: var(--r-md);
    padding: 28px;
    margin-bottom: 24px;
}
.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 16px;
    flex-wrap: wrap;
}
.card-title {
    font-family: var(--display);
    font-weight: 500;
    font-size: 22px;
    letter-spacing: -0.02em;
}
.card-sub {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--paper-soft);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 12px 22px;
    border-radius: var(--r-sm);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast), border-color var(--t-fast);
    border: 1px solid transparent;
    cursor: pointer;
    text-align: center;
    line-height: 1.2;
}
.btn-primary { background: var(--hit); color: var(--ink); }
.btn-primary:hover { background: #ff8c3a; color: var(--ink); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: transparent;
    color: var(--paper);
    border-color: var(--ink-line-hi);
}
.btn-secondary:hover { background: var(--ink-soft); border-color: var(--paper-soft); color: var(--paper); }

.btn-ghost {
    background: transparent;
    color: var(--paper-dim);
}
.btn-ghost:hover { color: var(--paper); }

.btn-danger {
    background: transparent;
    color: var(--danger);
    border-color: rgba(255,92,92,0.4);
}
.btn-danger:hover { background: var(--danger-dim); color: var(--danger); }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ---------- Forms ---------- */
.form-row { margin-bottom: 22px; }
.form-row label {
    display: block;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--paper-soft);
    margin-bottom: 8px;
}
.form-row .hint {
    font-size: 12px;
    color: var(--paper-soft);
    margin-top: 6px;
}
.form-row .err {
    font-size: 12px;
    color: var(--danger);
    margin-top: 6px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="url"],
input[type="search"],
select,
textarea {
    width: 100%;
    background: var(--ink);
    border: 1px solid var(--ink-line);
    border-radius: var(--r-sm);
    padding: 12px 14px;
    color: var(--paper);
    font-family: var(--sans);
    font-size: 15px;
    outline: none;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
input[type="number"] { font-family: var(--mono); }
input:focus,
select:focus,
textarea:focus {
    border-color: var(--hit);
    box-shadow: 0 0 0 3px rgba(255,122,26,0.12);
}
textarea { min-height: 96px; resize: vertical; }
::placeholder { color: var(--paper-soft); }

select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><polygon points='0,0 12,0 6,8' fill='%238a8579'/></svg>");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 38px;
}

/* ---------- Flash messages ---------- */
.flash {
    padding: 14px 18px;
    border-radius: var(--r-sm);
    margin-bottom: 24px;
    font-size: 14px;
    border: 1px solid;
}
.flash-success { background: var(--alpha-dim); border-color: rgba(212,255,0,0.3); color: var(--alpha); }
.flash-error   { background: var(--danger-dim); border-color: rgba(255,92,92,0.3); color: var(--danger); }
.flash-info    { background: var(--hit-soft); border-color: rgba(255,122,26,0.3); color: var(--hit); }
.flash-warning { background: var(--warn-dim); border-color: rgba(255,184,77,0.3); color: var(--warn); }

/* ---------- Tables (compact data tables) ---------- */
.dt {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.dt th {
    text-align: left;
    font-family: var(--mono);
    font-weight: 500;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--paper-soft);
    padding: 12px 14px;
    border-bottom: 1px solid var(--ink-line);
}
.dt td {
    padding: 14px;
    border-bottom: 1px solid var(--ink-line);
    color: var(--paper-dim);
    vertical-align: top;
}
.dt tr:hover td { background: rgba(255,255,255,0.015); }
.dt td.mono, .dt th.mono { font-family: var(--mono); }
.dt td.num { font-family: var(--mono); text-align: right; }
.dt td.hit { color: var(--hit); }
.dt td.alpha { color: var(--alpha); }

/* ---------- Pills / badges ---------- */
.pill {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid var(--ink-line-hi);
    color: var(--paper-dim);
}
.pill-hit    { color: var(--hit);    border-color: rgba(255,122,26,0.4); background: var(--hit-soft); }
.pill-alpha  { color: var(--alpha);  border-color: rgba(212,255,0,0.3);  background: var(--alpha-dim); }
.pill-danger { color: var(--danger); border-color: rgba(255,92,92,0.3);  background: var(--danger-dim); }
.pill-warning{ color: var(--warn);   border-color: rgba(255,184,77,0.3); background: var(--warn-dim); }
.pill-soft   { color: var(--paper-soft); }

/* ---------- Footer ---------- */
.app-footer {
    margin-top: auto;
    padding: 32px 0;
    border-top: 1px solid var(--ink-line);
    font-family: var(--mono);
    font-size: 11px;
    color: var(--paper-soft);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.app-footer .ft-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

/* ---------- Utility ---------- */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }
.text-muted { color: var(--paper-soft); }
.text-dim   { color: var(--paper-dim); }
.text-hit   { color: var(--hit); }
.text-alpha { color: var(--alpha); }
.mono { font-family: var(--mono); }
.center { text-align: center; }
.right  { text-align: right; }

/* ---------- Auth (login/register) layout ---------- */
.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 40px 20px;
}
.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--ink-soft);
    border: 1px solid var(--ink-line);
    border-radius: var(--r-md);
    padding: 40px 36px;
}
.auth-card .brand { justify-content: center; margin-bottom: 24px; }
.auth-card h1 {
    font-size: 28px;
    text-align: center;
    margin-bottom: 8px;
}
.auth-card .lede {
    text-align: center;
    color: var(--paper-dim);
    font-size: 14px;
    margin-bottom: 28px;
}
.auth-card .below {
    text-align: center;
    margin-top: 22px;
    font-size: 13px;
    color: var(--paper-soft);
}
.auth-card .below a { color: var(--paper); border-bottom: 1px solid var(--ink-line-hi); padding-bottom: 1px; }
.auth-card .below a:hover { border-color: var(--hit); color: var(--hit); }

/* ---------- Mobile ---------- */
@media (max-width: 800px) {
    .wrap { padding: 0 18px; }
    .topnav-inner { padding: 14px 0; }
    .nav-links { display: none; }   /* hamburger added later */
    .nav-user { font-size: 11px; }
    .card { padding: 22px 20px; }
    .page-head { padding: 32px 0 22px; margin-bottom: 28px; }
    h1 { font-size: 28px; }
    .auth-card { padding: 32px 24px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}