/* Habit Restart Planner - Main Stylesheet */

:root {
    --color-primary: #2d6a4f;
    --color-primary-dark: #1b4332;
    --color-secondary: #d4a373;
    --color-background: #f8f9fa;
    --color-surface: #ffffff;
    --color-text: #212529;
    --color-text-light: #6c757d;
    --color-border: #dee2e6;
    --color-success: #40916c;
    --color-error: #dc3545;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    --border-radius: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.main-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.main-nav a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.main-nav a:hover {
    color: var(--color-primary);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.hero-section h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Planner Section */
.planner-section {
    padding: var(--spacing-xxl) 0;
}

.planner-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.planner-inputs,
.planner-output {
    background: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.planner-inputs h2,
.planner-output h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary-dark);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--color-background);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-border);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.output-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Plan Result */
.plan-result {
    min-height: 200px;
}

.empty-state {
    color: var(--color-text-light);
    text-align: center;
    padding: var(--spacing-xl);
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius);
}

.plan-content h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.plan-content ul {
    list-style: none;
    padding: 0;
}

.plan-content li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.plan-content li:last-child {
    border-bottom: none;
}

.plan-content .checklist {
    background: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
}

.plan-content .checklist label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    cursor: pointer;
}

.plan-content .checklist input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

/* Content Section */
.content-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-surface);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.content-block h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.content-block p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.content-block ul {
    list-style: none;
    padding: 0;
}

.content-block li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.content-block li::before {
    content: "•";
    color: var(--color-primary);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Footer */
.site-footer {
    background-color: var(--color-primary-dark);
    color: white;
    padding: var(--spacing-xl) 0;
    margin-top: auto;
}

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

.site-footer a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}

.site-footer a:hover {
    color: white;
}

.footer-nav {
    display: flex;
    gap: var(--spacing-lg);
}

/* Responsive */
@media (max-width: 768px) {
    .planner-grid {
        grid-template-columns: 1fr;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .site-header .container {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .main-nav {
        gap: var(--spacing-md);
    }

    .site-footer .container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .planner-inputs,
    .planner-output {
        padding: var(--spacing-md);
    }

    .output-actions {
        flex-direction: column;
    }

    .btn-secondary {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .planner-inputs,
    .output-actions,
    .content-section {
        display: none;
    }

    .planner-output {
        box-shadow: none;
        border: 1px solid #000;
    }

    body {
        background: white;
        color: black;
    }
}



/* 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;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}