/* ============================================
   Design Tokens
   Change a token, change everything.
   Projects override tokens, not rules.
   ============================================ */
:root {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-muted: #57606a;
    --color-link: #0366d6;
    --color-link-hover: #024ea4;
    --color-border: #d0d7de;
    --color-accent: #0366d6;
    --color-accent-light: #ddf4ff;
    --color-danger: #d1242f;
    --color-success: #1a7f37;
    --color-success-light: #dafbe1;
    --color-danger-light: #ffeef0;

    --font-body: 'Atkinson Hyperlegible', system-ui, -apple-system, sans-serif;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;

    --max-width: 48rem;
    --radius: 6px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
}

/* ============================================
   Reset
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-link);
    text-decoration: none;
}

a:hover {
    color: var(--color-link-hover);
}

ul, ol {
    list-style: none;
}

/* ============================================
   Layout
   View: layouts/application.html.erb
   ============================================ */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.main-content {
    padding: var(--spacing-xl) 0;
}

/* ============================================
   Component: NavBar
   View: layouts/application.html.erb
   Stimulus: none
   ============================================ */
.navbar {
    background: var(--color-surface);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.navbar-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent);
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--color-link-hover);
}

.navbar-links {
    display: flex;
    gap: var(--spacing-md);
}

.navbar-links a {
    color: var(--color-muted);
    text-decoration: none;
    font-size: 0.95rem;
}

.navbar-links a:hover {
    color: var(--color-accent);
}

/* ============================================
   Component: Flash Messages
   View: layouts/application.html.erb
   Stimulus: none
   ============================================ */
.flash {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-md);
    border: 1px solid;
}

.flash-notice {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
    color: var(--color-text);
}

.flash-alert {
    background: var(--color-danger-light);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

/* ============================================
   Component: Hero
   View: pages/home.html.erb
   Stimulus: none
   ============================================ */
.hero {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-muted);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 600px) {
    .hero-title {
        font-size: 3rem;
    }
}

/* ============================================
   Component: Cards
   View: pages/home.html.erb
   Stimulus: none
   ============================================ */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 600px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    padding: var(--spacing-lg);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* ============================================
   Component: Section Heading
   View: pages/home.html.erb
   Stimulus: none
   ============================================ */
.section-heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* ============================================
   Component: Buttons
   Shared across views
   Stimulus: none
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 150ms ease, border-color 150ms ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-surface);
}

.btn-primary:hover {
    background: var(--color-link-hover);
    color: var(--color-surface);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
    border-radius: var(--radius);
}

.btn-full {
    width: 100%;
}

/* ============================================
   Component: Forms
   Partial: contacts/_form.html.erb
   Stimulus: none
   ============================================ */
.form {
    max-width: 28rem;
    margin: 0 auto;
}

.form .field {
    margin-bottom: var(--spacing-lg);
}

.form .field label {
    display: block;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.form .field input,
.form .field textarea,
.form .field select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    background: var(--color-surface);
    color: var(--color-text);
}

.form .field input:focus,
.form .field textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form .actions {
    margin-top: var(--spacing-lg);
}

.form-errors {
    background: var(--color-danger-light);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-lg);
}

.form-errors ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
}

/* ============================================
   Component: ContactPage
   View: contacts/new.html.erb
   Stimulus: none
   ============================================ */
.contact-page {
    max-width: 28rem;
    margin: 0 auto;
}

.contact-page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Component: LoginPage
   View: sessions/new.html.erb
   Stimulus: none
   ============================================ */
.login-page {
    text-align: center;
    padding: var(--spacing-xl) 0;
    max-width: 24rem;
    margin: 0 auto;
}

.login-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.login-subtitle {
    color: var(--color-muted);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   Component: Dashboard
   View: dashboard/index.html.erb
   Stimulus: none
   ============================================ */
.dashboard-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.dashboard-welcome {
    color: var(--color-muted);
    margin-bottom: var(--spacing-xl);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 600px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.dashboard-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-accent);
}

.dashboard-card.is-success {
    border-left-color: var(--color-success);
}

.dashboard-card-title {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.dashboard-card-text {
    color: var(--color-muted);
    font-size: 0.9rem;
}

.dashboard-card-link {
    color: var(--color-danger);
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
    display: inline-block;
}

.dashboard-card-link:hover {
    text-decoration: underline;
}