/* ==========================================================================
   Lunch in the Park — Global styles
   Fonts: Fraunces (headings) + Source Sans 3 (body)
   ========================================================================== */

:root {
    --color-sky: #7BB8D4;
    --color-cream: #F5F0E8;
    --color-forest: #2D5016;
    --color-brick: #8B2E1A;
    --color-off-white: #FAFAF7;

    --color-text: var(--color-forest);
    --color-text-muted: #4a5f3a;
    --color-bg: var(--color-off-white);
    --color-surface: var(--color-cream);
    --color-accent: var(--color-brick);
    --color-link: var(--color-forest);
    --color-link-hover: var(--color-brick);
    --color-border: rgba(45, 80, 22, 0.15);

    --font-heading: "Fraunces", Georgia, "Times New Roman", serif;
    --font-body: "Source Sans 3", system-ui, -apple-system, sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1.25rem;
    --space-lg: 2rem;
    --space-xl: 3rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --shadow-soft: 0 2px 12px rgba(45, 80, 22, 0.08);
    --max-width: 72rem;
}

/* Reset & base
   -------------------------------------------------------------------------- */

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

html {
    font-size: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-link);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
    margin-top: 0;
    color: var(--color-forest);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.75rem); }
h3 { font-size: 1.2rem; }

p {
    margin: 0 0 var(--space-md);
}

ul, ol {
    padding-left: 1.25rem;
}

/* Layout
   -------------------------------------------------------------------------- */

.container {
    width: min(100% - 2rem, var(--max-width));
    margin-inline: auto;
}

.site-main {
    flex: 1;
}

/* Skip link
   -------------------------------------------------------------------------- */

.skip-link {
    position: absolute;
    left: -9999px;
    top: var(--space-sm);
    z-index: 100;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-forest);
    color: var(--color-off-white);
    border-radius: var(--radius-sm);
}

.skip-link:focus {
    left: var(--space-sm);
}

/* Header
   -------------------------------------------------------------------------- */

.site-header {
    background: linear-gradient(180deg, var(--color-sky) 0%, #8ec5db 100%);
    border-bottom: 3px solid var(--color-forest);
    padding: var(--space-md) 0;
}

.site-header__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.site-logo {
    text-decoration: none;
    color: var(--color-forest);
}

.site-logo:hover,
.site-logo:focus-visible {
    color: var(--color-brick);
}

.site-logo__title {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.site-logo__tagline {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0.9;
    max-width: 18rem;
}

/* Navigation
   -------------------------------------------------------------------------- */

.nav-toggle {
    display: none;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: var(--space-xs) var(--space-md);
    border: 2px solid var(--color-forest);
    border-radius: var(--radius-sm);
    background: var(--color-cream);
    color: var(--color-forest);
    cursor: pointer;
}

.site-nav__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs) var(--space-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav a {
    font-weight: 600;
    text-decoration: none;
    padding: var(--space-xs) 0;
    border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
    border-bottom-color: var(--color-brick);
    color: var(--color-brick);
}

@media (max-width: 640px) {
    .nav-toggle {
        display: block;
    }

    .site-nav {
        display: none;
        width: 100%;
    }

    .site-nav.is-open {
        display: block;
    }

    .site-nav__list {
        flex-direction: column;
        gap: var(--space-sm);
        padding-top: var(--space-sm);
    }
}

/* Page sections
   -------------------------------------------------------------------------- */

.page-hero {
    background: var(--color-cream);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-xl) 0;
}

.page-hero--home {
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-off-white) 50%, #e8f4f8 100%);
}

.page-content {
    padding: var(--space-xl) 0;
}

.page-intro {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 42rem;
}

/* Cards & surfaces
   -------------------------------------------------------------------------- */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
}

.card-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

/* Buttons
   -------------------------------------------------------------------------- */

.btn {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.btn--primary {
    background: var(--color-forest);
    color: var(--color-off-white);
}

.btn--primary:hover,
.btn--primary:focus-visible {
    background: var(--color-brick);
    color: var(--color-off-white);
}

.btn--secondary {
    background: var(--color-sky);
    color: var(--color-forest);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
    background: #6aa8c4;
    color: var(--color-forest);
}

/* Forms
   -------------------------------------------------------------------------- */

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    max-width: 32rem;
    font-family: var(--font-body);
    font-size: 1rem;
    padding: var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-off-white);
    color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: 2px solid var(--color-sky);
    outline-offset: 2px;
}

.form-hint {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* Footer
   -------------------------------------------------------------------------- */

.site-footer {
    background: var(--color-forest);
    color: var(--color-cream);
    padding: var(--space-xl) 0 var(--space-lg);
    margin-top: auto;
}

.site-footer a {
    color: var(--color-sky);
}

.site-footer__name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 var(--space-xs);
}

.site-footer__tagline,
.site-footer__note {
    margin: 0 0 var(--space-sm);
    opacity: 0.95;
}

.site-footer__copy {
    margin: var(--space-lg) 0 0;
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Tables
   -------------------------------------------------------------------------- */

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

th,
td {
    text-align: left;
    padding: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

th {
    font-weight: 600;
    color: var(--color-forest);
    background: rgba(123, 184, 212, 0.15);
}

/* Utility
   -------------------------------------------------------------------------- */

.text-muted {
    color: var(--color-text-muted);
}

.text-accent {
    color: var(--color-brick);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Login page
   -------------------------------------------------------------------------- */

.page-login .site-header {
    background: linear-gradient(180deg, var(--color-sky) 0%, #9ec9de 55%, var(--color-cream) 100%);
}

.page-login .site-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(123, 184, 212, 0.25), transparent),
        linear-gradient(180deg, var(--color-cream) 0%, var(--color-off-white) 100%);
}

.login-section {
    width: 100%;
    display: flex;
    justify-content: center;
}

.login-panel {
    width: min(100%, 26rem);
    text-align: center;
    border: 2px solid rgba(45, 80, 22, 0.12);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-lg);
}

.login-panel__title {
    margin-bottom: var(--space-xs);
    font-size: 1.75rem;
}

.login-panel__intro {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    font-size: 1rem;
}

.login-panel__error {
    background: rgba(139, 46, 26, 0.08);
    border: 1px solid rgba(139, 46, 26, 0.25);
    border-radius: var(--radius-sm);
    color: var(--color-brick);
    padding: var(--space-sm) var(--space-md);
    margin: 0 0 var(--space-md);
    font-weight: 500;
}

.login-form {
    text-align: left;
}

.login-form .form-group input {
    max-width: none;
}

.login-form__submit {
    width: 100%;
    margin-top: var(--space-sm);
}

.login-panel__back {
    margin: var(--space-lg) 0 0;
    font-size: 0.9375rem;
}

.login-panel__back a {
    text-decoration: none;
    font-weight: 600;
}

.login-panel__back a:hover,
.login-panel__back a:focus-visible {
    text-decoration: underline;
}

/* One-time admin setup page
   -------------------------------------------------------------------------- */

.page-create-admin {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: var(--space-xl) var(--space-md);
    background:
        radial-gradient(ellipse 70% 45% at 50% 0%, rgba(123, 184, 212, 0.3), transparent),
        linear-gradient(180deg, var(--color-cream) 0%, var(--color-off-white) 100%);
}

.create-admin {
    width: 100%;
    max-width: 28rem;
}

.create-admin__panel {
    text-align: center;
}

.create-admin__panel h1 {
    margin-bottom: var(--space-sm);
}

.create-admin__message {
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
}

.create-admin__detail {
    margin-bottom: var(--space-lg);
}

.create-admin__panel--success {
    border-color: rgba(45, 80, 22, 0.25);
}

.create-admin__panel--warning,
.create-admin__panel--error {
    border-color: rgba(139, 46, 26, 0.3);
}

.create-admin__panel--error .create-admin__message {
    color: var(--color-brick);
}