/* ===============================================
   TOLEDO INDOOR GARDEN - GUIDES SHARED STYLES
   Consistent styling for all 29 guide pages
   =============================================== */

/* ===== CSS VARIABLES ===== */
:root {
    /* Toledo Brand Colors */
    --toledo-green: #008b44;
    --toledo-green-dark: #006d35;
    --toledo-green-light: #5bb76a;
    --toledo-gold: #F7C951;
    --toledo-gold-dark: #e5b53d;
    --bg-dark: #0a1612;
    --text-dark: #0a1612;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    
    /* Spacing (8px grid) */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 80px;
    --space-4xl: 100px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px -10px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Account for fixed header */
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: var(--space-md);
}

h1 {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 40px;
    font-weight: 700;
    margin-top: var(--space-xl);
}

h3 {
    font-size: 32px;
    font-weight: 600;
    margin-top: var(--space-lg);
}

h4 {
    font-size: 24px;
    font-weight: 600;
}

h5 {
    font-size: 20px;
    font-weight: 600;
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-gray);
}

a {
    color: var(--toledo-green);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--toledo-green-dark);
}

strong {
    font-weight: 700;
    color: var(--text-dark);
}

/* ===== CONTAINER & LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.guide-content {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md);
}

/* ===== HEADER (Placeholder for injection) ===== */
.guide-header {
    position: sticky;
    top: 0;
    background: var(--bg-white);
    border-bottom: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.guide-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
}

.guide-logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--toledo-green);
}

.guide-nav {
    display: flex;
    gap: var(--space-lg);
}

.guide-nav a {
    font-weight: 500;
    font-size: 16px;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.guide-nav a:hover,
.guide-nav a.active {
    background: var(--bg-light);
    color: var(--toledo-green);
}

/* ===== HERO SECTION ===== */
.guide-hero {
    background: linear-gradient(135deg, rgba(71, 158, 82, 0.95), rgba(10, 22, 18, 0.95));
    padding: var(--space-4xl) 0 var(--space-3xl);
    color: white;
    text-align: center;
}

.guide-hero h1 {
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.guide-hero .lead {
    font-size: 22px;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto var(--space-lg);
    color: rgba(255, 255, 255, 0.95);
}

.badge {
    display: inline-block;
    padding: 10px 24px;
    background: var(--toledo-gold);
    color: var(--bg-dark);
    border-radius: var(--radius-xl);
    font-weight: 800;
    font-size: 14px;
    margin-bottom: var(--space-md);
    letter-spacing: 0.5px;
}

/* ===== SECTIONS ===== */
.guide-section {
    padding: var(--space-3xl) 0;
    background: var(--bg-white);
}

.guide-section.dark {
    background: var(--bg-dark);
    color: white;
}

.guide-section.dark h1,
.guide-section.dark h2,
.guide-section.dark h3,
.guide-section.dark h4 {
    color: white;
}

.guide-section.gray {
    background: var(--bg-light);
}

.section-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--toledo-green), transparent);
    margin: var(--space-2xl) 0;
}

/* ===== CARDS ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--toledo-green);
}

.card h3 {
    color: var(--toledo-green);
    margin-top: 0;
}

.card-icon {
    font-size: 48px;
    margin-bottom: var(--space-md);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--toledo-green);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--toledo-green-dark);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--toledo-gold);
    color: var(--bg-dark);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: var(--toledo-gold-dark);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--toledo-green);
    color: var(--toledo-green);
}

.btn-outline:hover {
    background: var(--toledo-green);
    color: white;
}

.btn-lg {
    padding: 20px 48px;
    font-size: 18px;
}

.btn-sm {
    padding: 12px 24px;
    font-size: 14px;
}

/* ===== TABLES ===== */
table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-xl) 0;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

thead {
    background: var(--toledo-green);
    color: white;
}

th {
    padding: var(--space-md);
    text-align: left;
    font-weight: 700;
    font-size: 16px;
}

td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

tr:hover {
    background: var(--bg-light);
}

tr:last-child td {
    border-bottom: none;
}

/* ===== ALERT BOXES ===== */
.alert {
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin: var(--space-xl) 0;
    border-left: 4px solid;
}

.alert-tip {
    background: #f0fdf4;
    border-color: var(--toledo-green);
    color: #166534;
}

.alert-tip strong {
    color: var(--toledo-green);
}

.alert-warning {
    background: #fffbeb;
    border-color: var(--toledo-gold);
    color: #92400e;
}

.alert-warning strong {
    color: var(--toledo-gold-dark);
}

.alert-danger {
    background: #fef2f2;
    border-color: #dc2626;
    color: #991b1b;
}

.alert-danger strong {
    color: #dc2626;
}

.alert-info {
    background: #eff6ff;
    border-color: #3b82f6;
    color: #1e40af;
}

.alert-info strong {
    color: #3b82f6;
}

/* ===== CALCULATOR / TOOL INPUTS ===== */
.calculator-card {
    background: var(--bg-white);
    border: 2px solid var(--toledo-green);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
    box-shadow: var(--shadow-lg);
}

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

label {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-xs);
    font-size: 16px;
}

input[type="text"],
input[type="number"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--toledo-green);
    box-shadow: 0 0 0 3px rgba(71, 158, 82, 0.1);
}

.input-group {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.input-addon {
    padding: var(--space-md);
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--text-gray);
}

/* Range Sliders */
input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--toledo-green);
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--toledo-green);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
}

/* ===== RESULT DISPLAY ===== */
.result-box {
    background: linear-gradient(135deg, var(--toledo-green), var(--toledo-green-dark));
    color: white;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    margin: var(--space-xl) 0;
    box-shadow: var(--shadow-lg);
}

.result-value {
    font-size: 56px;
    font-weight: 900;
    color: var(--toledo-gold);
    display: block;
    margin: var(--space-md) 0;
}

.result-label {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

/* ===== FOOTER (Placeholder for injection) ===== */
.guide-footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-section h4 {
    color: var(--toledo-gold);
    margin-bottom: var(--space-md);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    display: block;
    margin-bottom: var(--space-sm);
}

.footer-section a:hover {
    color: var(--toledo-green-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* ===== BACK TO TOP BUTTON ===== */
#backToTop {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 56px;
    height: 56px;
    background: var(--toledo-green);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
    z-index: 999;
}

#backToTop:hover {
    background: var(--toledo-green-dark);
    transform: translateY(-4px);
}

#backToTop.show {
    display: flex;
}

/* ===== TABLE OF CONTENTS ===== */
.toc {
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
}

.toc h3 {
    margin-top: 0;
    color: var(--toledo-green);
}

.toc ul {
    list-style: none;
    padding-left: 0;
}

.toc li {
    padding: var(--space-xs) 0;
}

.toc a {
    color: var(--text-gray);
    font-weight: 500;
}

.toc a:hover {
    color: var(--toledo-green);
}

/* ===== CODE BLOCKS ===== */
code {
    background: var(--bg-light);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    color: #d63384;
}

pre {
    background: var(--bg-dark);
    color: #f8f8f2;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--space-xl) 0;
}

pre code {
    background: none;
    color: inherit;
    padding: 0;
}

/* ===== LISTS ===== */
ul, ol {
    margin: var(--space-lg) 0;
    padding-left: var(--space-xl);
}

li {
    margin-bottom: var(--space-sm);
    color: var(--text-gray);
}

li strong {
    color: var(--text-dark);
}

/* ===== MOBILE BREAKPOINTS ===== */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
    .container {
        max-width: 100%;
    }
    
    h1 {
        font-size: 48px;
    }
    
    h2 {
        font-size: 36px;
    }
    
    h3 {
        font-size: 28px;
    }
    
    .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

/* Tablets */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    h1 {
        font-size: 40px;
    }
    
    h2 {
        font-size: 32px;
    }
    
    h3 {
        font-size: 24px;
    }
    
    .guide-content {
        padding: var(--space-xl) var(--space-md);
    }
    
    .guide-nav {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    table {
        font-size: 14px;
    }
    
    th, td {
        padding: var(--space-sm);
    }
    
    #backToTop {
        bottom: 24px;
        right: 24px;
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
}

/* Mobile */
@media (max-width: 375px) {
    body {
        font-size: 14px;
    }
    
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    h3 {
        font-size: 20px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .alert {
        padding: var(--space-md);
    }
}

/* Small mobile */
@media (max-width: 320px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    h1 {
        font-size: 28px;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .guide-header,
    .guide-footer,
    #backToTop,
    .btn {
        display: none !important;
    }
    
    .guide-content {
        max-width: 100%;
        padding: 0;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    table, figure, img {
        page-break-inside: avoid;
    }
}

/* ===== ANIMATION CLASSES ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

.slide-in-up {
    animation: slideInUp 0.6s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

/* Smooth transitions for all interactive elements */
button, .btn, .card, a {
    transition: all var(--transition);
}