/* Design tokens — dokumo-codebase.md §9, ported from the CVI (assets/CVI.png):
   a calmer "trustworthy filing cabinet" identity, not a playful/kid-facing one. */
:root {
    --color-primary: #17324D;
    --color-secondary: #2FA7A0;
    --color-accent: #D9F3EF;
    --color-neutral-dark: #5A6B7A;
    --color-neutral-light: #F5F7FA;
    --color-card: #FFFFFF;
    --color-danger: #C0392B;
    --color-danger-bg: #FBEAE8;
    --color-success-bg: #E9F7F5;

    --radius-card: 12px;
    --radius-button: 8px;
    --shadow-card: 0 2px 16px rgba(23, 50, 77, .08);

    --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.55;
    color: var(--color-primary);
    background: var(--color-neutral-light);
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 0 .5em;
}

a {
    color: var(--color-secondary);
}

p {
    color: var(--color-neutral-dark);
}

/* Header */
.site-header {
    display: flex;
    align-items: center;
    padding: 20px 24px;
    max-width: 1080px;
    margin: 0 auto;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-primary);
    text-decoration: none;
}

.site-brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(23, 50, 77, .18);
}

/* Footer */
.site-footer {
    max-width: 1080px;
    margin: 64px auto 0;
    padding: 24px;
    text-align: center;
    color: var(--color-neutral-dark);
    font-size: .875rem;
}

/* Flash messages */
.flash {
    max-width: 480px;
    margin: 0 auto 16px;
    padding: 12px 16px;
    border-radius: var(--radius-card);
    font-size: .9375rem;
}

.flash-success {
    background: var(--color-success-bg);
    color: #1F6B63;
}

.flash-danger {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-button);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: .9375rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-icon {
    flex-shrink: 0;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background: #0f2439;
}

.btn-outline {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Landing / marketing page */
.landing-hero {
    max-width: 1080px;
    margin: 0 auto;
    padding: 48px 24px 64px;
    text-align: center;
}

.landing-hero-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    max-width: 720px;
    margin: 0 auto .5em;
}

.landing-hero-subtitle {
    max-width: 560px;
    margin: 0 auto 32px;
    font-size: 1.0625rem;
}

.landing-hero-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.landing-section {
    max-width: 1080px;
    margin: 0 auto;
    padding: 24px 24px 64px;
}

.section-label {
    display: block;
    text-align: center;
    color: var(--color-secondary);
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    font-size: .8125rem;
    margin-bottom: 32px;
}

.landing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.landing-feature {
    background: var(--color-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 24px;
}

.landing-feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.landing-feature h3 {
    font-size: 1.0625rem;
    margin-bottom: .35em;
}

.landing-feature p {
    margin: 0;
    font-size: .9375rem;
}

/* Auth screens (forgot/reset password) */
.auth-screen {
    display: flex;
    justify-content: center;
    padding: 48px 16px 64px;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 32px 28px;
}

.auth-card h1 {
    font-size: 1.375rem;
    margin-bottom: .25em;
}

.auth-card .subtitle {
    margin: 0 0 24px;
    color: var(--color-neutral-dark);
    font-size: .9375rem;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: .875rem;
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid #D5DDE3;
    border-radius: var(--radius-button);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-primary);
}

.form-group input:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 1px;
}

.form-error {
    color: var(--color-danger);
    font-size: .8125rem;
    margin-top: 6px;
}

.form-alert {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    padding: 12px 14px;
    border-radius: var(--radius-card);
    font-size: .875rem;
    margin-bottom: 18px;
}

.auth-links {
    margin-top: 20px;
    text-align: center;
    color: var(--color-neutral-dark);
    font-size: .9375rem;
}