/* Pizza Dough Hydration Calc - Complete Stylesheet */

:root {
    --color-bg: #FDF8F3;
    --color-surface: #FFFFFF;
    --color-card: #FEF9F4;
    --color-accent: #C44536;
    --color-accent-hover: #A8372B;
    --color-accent-light: #FCE4DC;
    --color-text: #2E1E1A;
    --color-text-secondary: #6B5B55;
    --color-border: #E8D5C8;
    --color-muted: #F5EBE1;
    --color-gold: #E8B042;
    --color-gold-light: #FDF1E7;
    --font-heading: Georgia, 'Times New Roman', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'SF Mono', 'Menlo', 'Monaco', 'Consolas', monospace;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
    --max-width: 960px;
    --header-height: 68px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

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

.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--color-accent);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 1000;
    text-decoration: none;
    font-weight: 600;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 16px;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    box-shadow: var(--shadow-sm);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--color-text);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.logo-text {
    font-family: var(--font-heading);
    color: var(--color-accent);
}

.site-nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
}

.site-nav a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    outline: none;
}

/* Hero */
.hero {
    padding: 60px 0 40px;
    text-align: center;
    background: linear-gradient(180deg, var(--color-gold-light) 0%, var(--color-bg) 100%);
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 2.8rem);
    color: var(--color-accent);
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 640px;
    margin: 0 auto 24px;
    line-height: 1.7;
}

/* Calculator Section */
.calculator-section {
    padding: 48px 0;
}

.calculator-section h2,
.style-guide h2,
.science-section h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-text);
    margin-bottom: 8px;
    text-align: center;
}

.section-intro {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.calculator-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
    max-width: 600px;
    margin: 0 auto;
}

#hydration-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 28px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
    letter-spacing: 0.01em;
}

.input-with-unit {
    display: flex;
    align-items: center;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.2s;
    background: var(--color-bg);
}

.input-with-unit:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.input-with-unit input {
    flex: 1;
    border: none;
    padding: 14px 16px;
    font-size: 1.2rem;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--color-text);
    background: transparent;
    outline: none;
    min-width: 0;
    -moz-appearance: textfield;
}

.input-with-unit input::-webkit-outer-spin-button,
.input-with-unit input::-webkit-inner-spin-button {
    opacity: 1;
}

.unit {
    padding: 14px 18px;
    background: var(--color-muted);
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    border-left: 2px solid var(--color-border);
    white-space: nowrap;
}

.hint {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.preset-buttons {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.preset-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-right: 4px;
}

.preset-btn {
    background: var(--color-muted);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-body);
}

.preset-btn:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.preset-btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.preset-btn.active {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

/* Result Panel */
.result-panel {
    background: var(--color-gold-light);
    border-radius: var(--radius-md);
    padding: 24px;
    border: 1px solid var(--color-border);
}

.result-primary {
    display: flex;
    align-items: baseline;
    gap: 8px;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.result-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.result-value {
    font-family: var(--font-mono);
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.result-unit {
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.result-secondary {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.result-item {
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    text-align: center;
    border: 1px solid var(--color-border);
    min-width: 140px;
}

.item-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

.item-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text);
}

.hydration-meter {
    margin-top: 8px;
}

.meter-bar {
    height: 10px;
    background: var(--color-muted);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 8px;
}

.meter-fill {
    height: 100%;
    background: linear-gradient(90deg, #E8B042, #C44536);
    border-radius: 5px;
    transition: width 0.35s ease;
}

.meter-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Style Guide Section */
.style-guide {
    padding: 48px 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.style-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.style-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    transition: box-shadow 0.2s, transform 0.2s;
}

.style-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-icon {
    margin-bottom: 12px;
}

.style-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.hydration-range {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-gold);
    margin-bottom: 12px;
}

.style-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Science Section */
.science-section {
    padding: 48px 0;
}

.science-grid {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 32px;
    align-items: start;
    margin-top: 32px;
}

.science-text p {
    margin-bottom: 16px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.science-text p:last-child {
    margin-bottom: 0;
}

.tip-box {
    background: var(--color-accent-light);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: 24px;
    position: sticky;
    top: calc(var(--header-height) + 24px);
}

.tip-box h3 {
    font-family: var(--font-heading);
    color: var(--color-accent);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.tip-box p {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.6;
}

/* Footer */
.site-footer {
    background: var(--color-text);
    color: #D5C5BA;
    padding: 32px 0;
    margin-top: auto;
    text-align: center;
}

.footer-text {
    font-weight: 500;
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.footer-nav {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.footer-nav a {
    color: #D5C5BA;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.footer-nav a:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-copy {
    font-size: 0.8rem;
    color: #9A857A;
}

/* Responsive */
@media (max-width: 768px) {
    .site-nav ul {
        gap: 12px;
    }

    .site-nav a {
        font-size: 0.85rem;
    }

    .hero {
        padding: 40px 0 32px;
    }

    .calculator-card {
        padding: 20px;
    }

    .result-value {
        font-size: 2rem;
    }

    .science-grid {
        grid-template-columns: 1fr;
    }

    .tip-box {
        position: static;
    }

    .style-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .site-header .container {
        flex-direction: column;
        gap: 8px;
        padding: 10px 16px;
    }

    .site-header {
        height: auto;
    }

    .preset-buttons {
        justify-content: center;
    }

    .result-secondary {
        flex-direction: column;
        align-items: center;
    }

    .hero h1 {
        font-size: 1.6rem;
    }
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.site-utility-links {
  width: min(900px, calc(100% - 32px));
  margin: 32px auto;
  padding-top: 16px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(127, 127, 127, 0.25);
  font-size: 0.9rem;
}

.site-utility-links a {
  color: inherit;
  opacity: 0.75;
}