/* ════════════════════════════════════════════════
   LOGIN PAGE — matches website design system
   Tokens are inlined here so login.html renders
   correctly without depending on app/public/css/styles.css.
   ════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:ital,wght@0,400;0,500;0,600;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg:        #fafbfa;
    --bg-soft:   #f1f5f3;
    --surface:   #ffffff;
    --ink:       #0c1614;
    --ink-70:    #3a4644;
    --ink-50:    #6a7672;
    --ink-30:    #a2aba6;
    --line:      #e3e7e3;
    --primary:        #0d6e63;
    --primary-dark:   #0a5249;
    --primary-soft:   #e6f3f0;
    --warn:           #d97706;
    --warn-soft:      #fef3e6;

    --font-h: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-b: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-m: 'JetBrains Mono', ui-monospace, Menlo, monospace;

    --radius-sm: 6px;
    --radius:    10px;
    --radius-lg: 14px;
}

:root[data-theme="dark"], :root.theme-dark {
    color-scheme: dark;
    --bg: #0a1310; --bg-soft: #131c19; --surface: #131c19;
    --ink: #ebf1ee; --ink-70: #a5b4ad; --ink-50: #6f7e76; --ink-30: #4a544f;
    --line: #233028;
    --primary: #4dcfb8; --primary-dark: #7de0cc; --primary-soft: #1a3a34;
    --warn: #f2a850; --warn-soft: #2e2010;
}

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

body {
    font-family: var(--font-b);
    background: var(--bg);
    color: var(--ink);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.55;
}

.login-shell {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    padding: 24px;
}

.login-card {
    width: 100%; max-width: 440px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 2px rgba(12, 22, 20, 0.04),
                0 12px 32px rgba(12, 22, 20, 0.08);
    padding: 48px 40px;
    animation: card-in 280ms ease-out;
}
:root[data-theme="dark"] .login-card,
:root.theme-dark .login-card {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4),
                0 12px 32px rgba(0, 0, 0, 0.5);
}
@keyframes card-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
    display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.login-logo { color: var(--primary); margin-bottom: 4px; }
.login-header h1 {
    font-family: var(--font-h); font-weight: 600;
    font-size: 28px; letter-spacing: -0.02em;
    color: var(--ink);
    margin: 0;
}
.subtitle {
    font-family: var(--font-b); font-size: 14px;
    color: var(--ink-70);
}

.loading-box {
    text-align: center; padding: 28px 0;
    color: var(--ink-70);
    display: flex; flex-direction: column; align-items: center; gap: 12px;
    font-size: 13.5px;
}
.spinner {
    width: 20px; height: 20px;
    border: 2px solid var(--line);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-family: var(--font-b); font-size: 15px; font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 120ms ease, transform 120ms ease, color 120ms ease;
}
.btn-primary { background: var(--ink); color: #fff; width: 100%; }
.btn-primary:hover { background: var(--primary); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
:root[data-theme="dark"] .btn-primary,
:root.theme-dark .btn-primary { background: var(--primary); color: var(--bg); }
:root[data-theme="dark"] .btn-primary:hover,
:root.theme-dark .btn-primary:hover { background: var(--primary-dark); }
.btn-login { padding: 14px 20px; font-size: 15px; }

.login-footer {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    display: flex; flex-direction: column; gap: 14px;
}
.demo-info {
    background: var(--bg-soft);
    border: 1px solid var(--line);
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 13.5px; line-height: 1.55;
    color: var(--ink-70);
}
.demo-info strong { color: var(--ink); font-weight: 600; }

.eyebrow {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 10px;
    background: var(--primary-soft);
    border-radius: 100px;
    color: var(--primary-dark);
    font-family: var(--font-m);
    font-size: 10.5px; font-weight: 500;
    letter-spacing: 0.06em; text-transform: uppercase;
    margin-right: 6px;
}
.eyebrow.plain { background: transparent; padding: 0; }

.security-note {
    font-size: 13px; line-height: 1.5; color: var(--ink-70);
}
.security-note.muted {
    text-align: center; font-size: 11.5px; color: var(--ink-50);
    font-family: var(--font-m); letter-spacing: 0.04em;
}

.error-message {
    margin-top: 16px;
    background: var(--warn-soft);
    color: var(--warn);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--warn);
    font-size: 13.5px;
    line-height: 1.5;
}

@media (max-width: 480px) {
    .login-card { padding: 32px 24px; }
    .login-header h1 { font-size: 24px; }
    .login-logo { width: 52px; height: 52px; }
}