/*
Theme Name: WiringUntangled
Theme URI: https://wiringuntangled.com
Author: Wiring Untangled
Author URI: https://wiringuntangled.com
Description: Clean, professional theme for interactive wiring diagrams. Dark mode with green accents.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: wiringuntangled
*/

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    --color-bg-dark: #1a1a2e;
    --color-bg-card: #2a2a4a;
    --color-bg-hover: #3a3a5a;
    --color-accent: #39ff14;
    --color-accent-hover: #2de010;
    --color-text: #ffffff;
    --color-text-muted: #a0a0b0;
    --color-border: #3a3a5a;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --container-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --radius: 12px;
    --radius-sm: 8px;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

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

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
}

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

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

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

/* ==========================================================================
   Layout
   ========================================================================== */
.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-content {
    flex: 1;
}

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

.container-narrow {
    max-width: 800px;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    background-color: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.site-branding {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.site-title a {
    color: var(--color-text);
    text-decoration: none;
}

.site-title .accent {
    color: var(--color-accent);
}

/* Navigation */
.main-navigation ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    margin: 0;
    padding: 0;
}

.main-navigation a {
    color: var(--color-text-muted);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    transition: color 0.2s ease;
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
    color: var(--color-accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg-card);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-sm);
    }
    
    .main-navigation.active {
        display: block;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .main-navigation a {
        display: block;
        padding: var(--spacing-sm);
    }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-bg-dark);
}

.btn-secondary {
    background-color: var(--color-bg-card);
    color: var(--color-text);
    border-color: var(--color-border);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg-card) 0%, var(--color-bg-dark) 100%);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.hero-title .accent {
    color: var(--color-accent);
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-tagline {
        font-size: 1.25rem;
    }
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

/* ==========================================================================
   Feature Cards
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

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

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    background-color: rgba(57, 255, 20, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--color-accent);
    fill: none;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.feature-description {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ==========================================================================
   Diagram Cards
   ========================================================================== */
.diagram-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.diagram-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.diagram-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
}

.diagram-card-image {
    aspect-ratio: 16/10;
    background-color: var(--color-bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-border);
}

.diagram-card-image svg {
    width: 60px;
    height: 60px;
    stroke: var(--color-border);
    fill: none;
}

.diagram-card-content {
    padding: var(--spacing-sm);
}

.diagram-card-make {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.diagram-card-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.diagram-card-title a {
    color: var(--color-text);
}

.diagram-card-title a:hover {
    color: var(--color-accent);
}

.diagram-card-meta {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.diagram-card-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    background-color: rgba(57, 255, 20, 0.1);
    color: var(--color-accent);
    border-radius: 4px;
    margin-top: var(--spacing-xs);
}

/* ==========================================================================
   Page Content
   ========================================================================== */
.page-header {
    padding: var(--spacing-lg) 0;
    text-align: center;
    background-color: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

.page-content {
    padding: var(--spacing-lg) 0;
}

.entry-content {
    max-width: 800px;
    margin: 0 auto;
}

.entry-content p {
    margin-bottom: var(--spacing-md);
}

.entry-content h2 {
    margin-top: var(--spacing-lg);
}

/* ==========================================================================
   Diagram Display (Full Width)
   ========================================================================== */
.diagram-fullwidth {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    background: var(--color-bg-dark);
}

.diagram-fullwidth iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.diagram-fullwidth-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 10000;
}

.diagram-fullwidth-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.diagram-fullwidth-close {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.diagram-fullwidth-close:hover {
    color: var(--color-accent);
}

/* Diagram embed in page */
.diagram-embed {
    position: relative;
    width: 100vw;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    height: 85vh;
    background: var(--color-bg-dark);
}

.diagram-embed iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

.footer-brand .site-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.footer-heading {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-menu li {
    margin-bottom: var(--spacing-xs);
}

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

.footer-menu a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.copyright {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

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

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

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

/* ==========================================================================
   404 Page
   ========================================================================== */
.error-404 {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.error-code {
    font-size: 8rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.error-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.error-message {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   Forms (MemberPress compatibility)
   ========================================================================== */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="url"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--font-main);
    background-color: var(--color-bg-dark);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    transition: border-color 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-accent);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

/* MemberPress Forms */
.mepr-form label {
    color: var(--color-text);
}

.mepr-form input[type="submit"] {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.mepr-form input[type="submit"]:hover {
    background-color: var(--color-accent-hover);
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.hidden {
    display: none !important;
}

.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;
}
/* ==========================================================================
   MemberPress Login & Forms Fix
   ========================================================================== */
.mepr-login-form,
.mepr-signup-form,
.mp_wrapper {
    max-width: 400px !important;
    margin: 2rem auto !important;
    padding: 2rem !important;
    background: var(--color-bg-card) !important;
    border-radius: 12px !important;
    border: 1px solid var(--color-border) !important;
}

.mepr-login-form label,
.mp_wrapper label {
    display: block !important;
    margin-bottom: 0.5rem !important;
    color: #ffffff !important;
    text-align: left !important;
}

.mepr-login-form input[type="text"],
.mepr-login-form input[type="email"],
.mepr-login-form input[type="password"],
.mp_wrapper input[type="text"],
.mp_wrapper input[type="email"],
.mp_wrapper input[type="password"] {
    width: 100% !important;
    margin-bottom: 1rem !important;
    padding: 0.75rem 1rem !important;
    background: #1a1a2e !important;
    border: 2px solid #3a3a5a !important;
    border-radius: 8px !important;
    color: #ffffff !important;
}

.mepr-login-form input:focus,
.mp_wrapper input:focus {
    border-color: #39ff14 !important;
    outline: none !important;
}

.mepr-login-form input[type="submit"],
.mp_wrapper input[type="submit"] {
    width: 100% !important;
    padding: 0.75rem 1.5rem !important;
    background: #39ff14 !important;
    color: #1a1a2e !important;
    border: none !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    margin-top: 1rem !important;
}

.mepr-login-form input[type="submit"]:hover,
.mp_wrapper input[type="submit"]:hover {
    background: #2de010 !important;
}

.mepr-login-form input[type="checkbox"] {
    width: auto !important;
    margin-right: 0.5rem !important;
}

.mp-form-row {
    margin-bottom: 1rem !important;
    text-align: left !important;
}

.mepr-forgot-password-link,
.mepr-signup-link {
    display: block !important;
    text-align: center !important;
    margin-top: 1rem !important;
    color: #a0a0b0 !important;
}

.mepr-forgot-password-link:hover,
.mepr-signup-link:hover {
    color: #39ff14 !important;
}
/* ==========================================================================
   MemberPress Unauthorized Page Fix
   ========================================================================== */
.page-content .mepr-unauthorized-message,
.entry-content .mepr-unauthorized-message {
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

.page-content form,
.entry-content form {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background: #2a2a4a;
    border-radius: 12px;
    border: 1px solid #3a3a5a;
    text-align: left;
}

.page-content form p,
.entry-content form p {
    margin-bottom: 1rem;
}

.page-content form label,
.entry-content form label {
    display: block;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.page-content form input[type="text"],
.page-content form input[type="password"],
.entry-content form input[type="text"],
.entry-content form input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #1a1a2e;
    border: 2px solid #3a3a5a;
    border-radius: 8px;
    color: #ffffff;
    margin-bottom: 1rem;
}

.page-content form input[type="checkbox"],
.entry-content form input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.page-content form input[type="submit"],
.entry-content form input[type="submit"] {
    width: 100%;
    padding: 0.75rem 1.5rem;
    background: #39ff14;
    color: #1a1a2e;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 1rem;
}