/**
 * Twiin Client Portal Styles - Dark Modern Theme
 *
 * @package Twiin_Client_Portal
 */

/* ===== CSS Variables ===== */
:root {
    /* Dark Color Scheme */
    --twiin-black: #000000;
    --twiin-bg-dark: #0a0a0a;
    --twiin-bg-darker: #050505;
    --twiin-surface: #1a1a1a;
    --twiin-surface-hover: #242424;
    --twiin-border-color: #2a2a2a;
    --twiin-text-primary: #ffffff;
    --twiin-text-secondary: #b8b8b8;
    --twiin-text-muted: #999999;

    /* Accent color (customizable via settings) */
    --twiin-accent-color: #2271b1;
    --twiin-accent-hover: #1a5a8a;
    --twiin-accent-light: rgba(34, 113, 177, 0.1);

    /* Status colors */
    --twiin-error-color: #ff4444;
    --twiin-success-color: #4caf50;
    --twiin-info-color: #2196f3;
    --twiin-warning-color: #ff9800;

    /* Fonts (customizable via settings) */
    --twiin-heading-font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --twiin-body-font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    /* Spacing & Layout */
    --twiin-spacing-xs: 0.5rem;
    --twiin-spacing-sm: 0.75rem;
    --twiin-spacing: 1rem;
    --twiin-spacing-lg: 1.5rem;
    --twiin-spacing-xl: 2rem;
    --twiin-spacing-2xl: 3rem;
    --twiin-max-width: 1200px;

    /* Border Radius */
    --twiin-radius-sm: 6px;
    --twiin-radius: 8px;
    --twiin-radius-lg: 12px;
    --twiin-radius-xl: 16px;

    /* Transitions */
    --twiin-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --twiin-transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --twiin-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --twiin-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
    --twiin-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    --twiin-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);
    --twiin-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.7);
}

/* ===== Reset & Base Styles ===== */
.twiin-portal {
    font-family: var(--twiin-body-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--twiin-text-primary);
    background-color: var(--twiin-bg-dark);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ===== Focus Styles (Accessibility) ===== */
.twiin-portal a:focus-visible,
.twiin-portal button:focus-visible,
.twiin-portal input:focus-visible,
.twiin-portal textarea:focus-visible,
.twiin-portal select:focus-visible {
    outline: 3px solid var(--twiin-accent-color);
    outline-offset: 2px;
}

/* ===== Skip to Content (Accessibility) ===== */
.twiin-skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--twiin-accent-color);
    color: var(--twiin-text-primary);
    padding: 8px 16px;
    text-decoration: none;
    z-index: 100;
    border-radius: 0 0 var(--twiin-radius) 0;
    font-weight: 600;
}

.twiin-skip-link:focus {
    top: 0;
}

/* ===== Header ===== */
.twiin-portal-header {
    background-color: var(--twiin-black);
    border-bottom: 1px solid var(--twiin-border-color);
    padding: var(--twiin-spacing-lg) var(--twiin-spacing);
    box-shadow: var(--twiin-shadow-sm);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
}

.twiin-portal-header-inner {
    max-width: var(--twiin-max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--twiin-spacing);
}

.twiin-portal-logo {
    display: flex;
    align-items: center;
    gap: var(--twiin-spacing);
}

.twiin-portal-logo-link {
    display: inline-block;
    text-decoration: none;
}

.twiin-portal-logo img {
    max-height: 50px;
    height: auto;
    width: auto;
    transition: transform var(--twiin-transition);
}

.twiin-portal-logo img:hover {
    transform: scale(1.05);
}

.twiin-portal-logo-text {
    font-family: var(--twiin-heading-font);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--twiin-text-primary);
    background: linear-gradient(135deg, var(--twiin-accent-color), var(--twiin-text-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.twiin-portal-tagline {
    font-family: var(--twiin-heading-font);
    font-size: 1rem;
    font-weight: 500;
    color: var(--twiin-accent-color);
    white-space: nowrap;
}

/* Navigation */
.twiin-portal-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--twiin-spacing-xs);
    flex-wrap: wrap;
}

.twiin-portal-nav a {
    color: var(--twiin-text-secondary);
    text-decoration: none;
    padding: var(--twiin-spacing-sm) var(--twiin-spacing);
    display: block;
    border-radius: var(--twiin-radius);
    transition: all var(--twiin-transition-fast);
    font-weight: 500;
    position: relative;
}

.twiin-portal-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--twiin-accent-color);
    transition: all var(--twiin-transition);
    transform: translateX(-50%);
}

.twiin-portal-nav a:hover {
    color: var(--twiin-text-primary);
    background-color: var(--twiin-surface);
}

.twiin-portal-nav a:hover::after {
    width: calc(100% - 2rem);
}

.twiin-portal-nav .current a {
    background-color: var(--twiin-accent-light);
    color: var(--twiin-accent-color);
}

.twiin-portal-nav .current a::after {
    width: calc(100% - 2rem);
}

.twiin-portal-back-link a {
    color: var(--twiin-text-secondary);
    text-decoration: none;
    font-size: 1rem;
    transition: color var(--twiin-transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.twiin-portal-back-link a:hover {
    color: var(--twiin-accent-color);
}

/* ===== Mobile Menu Toggle ===== */
.twiin-mobile-menu-toggle {
    display: none;
    background: var(--twiin-accent-color);
    border: none;
    cursor: pointer;
    padding: var(--twiin-spacing-sm) var(--twiin-spacing);
    margin-left: auto;
    color: var(--twiin-toggle-text-color, #000000);
    align-items: center;
    gap: var(--twiin-spacing-sm);
    font-family: var(--twiin-heading-font);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--twiin-transition-fast);
    border-radius: var(--twiin-radius);
}

.twiin-mobile-menu-toggle:hover {
    background-color: var(--twiin-accent-hover);
    color: var(--twiin-toggle-hover-text-color, #ffffff);
    transform: translateY(-1px);
}

.twiin-mobile-menu-toggle:active {
    transform: translateY(0);
}

.twiin-mobile-menu-toggle:focus-visible {
    outline: 3px solid var(--twiin-text-primary);
    outline-offset: 2px;
}

.twiin-burger-icon {
    width: 24px;
    height: 18px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.twiin-burger-icon span {
    display: block;
    height: 2px;
    background-color: currentColor;
    border-radius: 2px;
    transition: all var(--twiin-transition);
    transform-origin: center;
}

/* Mobile menu drawer overlay */
.twiin-mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--twiin-transition), visibility var(--twiin-transition);
    backdrop-filter: blur(4px);
}

.twiin-mobile-menu-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

/* Mobile menu drawer */
.twiin-mobile-menu-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 400px;
    height: 100%;
    background-color: var(--twiin-black);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform var(--twiin-transition-slow);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
}

.twiin-mobile-menu-drawer.is-open {
    transform: translateX(0);
}

.twiin-mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--twiin-spacing-lg);
    border-bottom: 1px solid var(--twiin-border-color);
    background-color: var(--twiin-bg-darker);
}

.twiin-mobile-menu-title {
    font-family: var(--twiin-heading-font);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--twiin-text-primary);
    margin: 0;
}

.twiin-mobile-menu-close {
    background: var(--twiin-accent-color);
    border: none;
    cursor: pointer;
    padding: var(--twiin-spacing-sm);
    color: var(--twiin-toggle-text-color, #000000);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--twiin-radius);
    transition: all var(--twiin-transition-fast);
    flex-shrink: 0;
}

.twiin-mobile-menu-close:hover {
    background-color: var(--twiin-accent-hover);
    color: var(--twiin-toggle-hover-text-color, #ffffff);
    transform: rotate(90deg);
}

.twiin-mobile-menu-close:focus-visible {
    outline: 3px solid var(--twiin-text-primary);
    outline-offset: 2px;
}

.twiin-mobile-menu-close-icon {
    width: 24px;
    height: 24px;
    position: relative;
}

.twiin-mobile-menu-close-icon::before,
.twiin-mobile-menu-close-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 2px;
    background-color: currentColor;
    border-radius: 2px;
}

.twiin-mobile-menu-close-icon::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.twiin-mobile-menu-close-icon::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.twiin-mobile-menu-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--twiin-spacing-lg);
}

/* ===== Main Content ===== */
.twiin-portal-main {
    max-width: var(--twiin-max-width);
    margin: var(--twiin-spacing-xl) auto;
    padding: 0 var(--twiin-spacing);
    min-height: 60vh;
}

.twiin-portal-content {
    padding: var(--twiin-spacing-xl);
    animation: fadeInUp var(--twiin-transition-slow);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--twiin-heading-font);
    font-weight: 700;
    color: var(--twiin-text-primary);
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    margin-top: 0;
    margin-bottom: var(--twiin-spacing-lg);
    background: linear-gradient(135deg, var(--twiin-text-primary), var(--twiin-text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 1.75rem;
    margin-top: var(--twiin-spacing-xl);
    margin-bottom: var(--twiin-spacing);
}

h3 {
    font-size: 1.35rem;
    margin-top: var(--twiin-spacing-lg);
    margin-bottom: var(--twiin-spacing-sm);
}

p {
    color: var(--twiin-text-secondary);
    margin-bottom: var(--twiin-spacing);
}

/* ===== Messages ===== */
.twiin-message {
    padding: var(--twiin-spacing);
    margin-bottom: var(--twiin-spacing-lg);
    border-radius: var(--twiin-radius);
    border-left: 4px solid;
    backdrop-filter: blur(10px);
    animation: slideIn var(--twiin-transition);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.twiin-message-error {
    background-color: rgba(255, 68, 68, 0.1);
    border-color: var(--twiin-error-color);
    color: var(--twiin-error-color);
}

.twiin-message-success {
    background-color: rgba(76, 175, 80, 0.1);
    border-color: var(--twiin-success-color);
    color: var(--twiin-success-color);
}

.twiin-message-info {
    background-color: rgba(33, 150, 243, 0.1);
    border-color: var(--twiin-info-color);
    color: var(--twiin-info-color);
}

/* ===== Forms ===== */
.twiin-form-group {
    margin-bottom: var(--twiin-spacing-lg);
}

.twiin-form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--twiin-spacing-sm);
    color: var(--twiin-text-primary);
    font-family: var(--twiin-heading-font);
}

.required {
    color: var(--twiin-error-color);
    font-weight: bold;
}

.twiin-input,
.twiin-textarea {
    width: 100%;
    padding: var(--twiin-spacing-sm) var(--twiin-spacing);
    border: 1px solid var(--twiin-border-color);
    border-radius: var(--twiin-radius);
    font-size: 1rem;
    font-family: var(--twiin-body-font);
    background-color: var(--twiin-bg-darker);
    color: var(--twiin-text-primary);
    transition: all var(--twiin-transition-fast);
}

.twiin-input:hover,
.twiin-textarea:hover {
    border-color: var(--twiin-text-muted);
}

.twiin-input:focus,
.twiin-textarea:focus {
    border-color: var(--twiin-accent-color);
    background-color: var(--twiin-black);
    box-shadow: 0 0 0 3px var(--twiin-accent-light);
}

.twiin-textarea {
    min-height: 120px;
    resize: vertical;
}

/* ===== Buttons ===== */
.twiin-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--twiin-spacing-xs);
    padding: var(--twiin-spacing-sm) var(--twiin-spacing-lg);
    border: none;
    border-radius: var(--twiin-radius);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--twiin-heading-font);
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--twiin-transition-fast);
    position: relative;
    overflow: hidden;
}

.twiin-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width var(--twiin-transition), height var(--twiin-transition);
}

.twiin-button:hover::before {
    width: 300px;
    height: 300px;
}

.twiin-button-primary {
    background: linear-gradient(135deg, var(--twiin-accent-color), var(--twiin-accent-hover));
    color: #000000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.twiin-button-primary:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.twiin-button-primary:active {
    transform: translateY(0);
}

.twiin-button-secondary {
    background-color: transparent;
    color: var(--twiin-accent-color);
    border: 2px solid var(--twiin-accent-color);
}

.twiin-button-secondary:hover {
    color: #ffffff;
    background-color: var(--twiin-accent-light);
    transform: translateY(-2px);
}

.twiin-button-secondary:active {
    transform: translateY(0);
}

/* ===== Login Page ===== */
.twiin-login-container {
    max-width: 500px;
    margin: 0 auto;
}

.twiin-login-help {
    font-size: 1rem;
    color: var(--twiin-text-secondary);
    margin-top: var(--twiin-spacing);
    text-align: center;
}

/* ===== Welcome Section ===== */
.twiin-welcome-section {
    margin-bottom: var(--twiin-spacing-2xl);
}

.twiin-welcome-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--twiin-spacing-xl);
    margin-top: var(--twiin-spacing-xl);
}

.twiin-welcome-layout:has(.twiin-welcome-video) {
    grid-template-columns: 1fr 1fr;
}

.twiin-welcome-video {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--twiin-radius-lg);
    box-shadow: var(--twiin-shadow);
}

.twiin-welcome-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--twiin-radius-lg);
}

/* ===== Icon Tiles ===== */
.twiin-icon-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--twiin-spacing-xl);
    margin-top: var(--twiin-spacing-xl);
}

.twiin-icon-tile {
    background: linear-gradient(135deg, var(--twiin-surface), var(--twiin-bg-darker));
    border: 1px solid var(--twiin-border-color);
    border-radius: var(--twiin-radius-lg);
    padding: var(--twiin-spacing-xl);
    text-align: center;
    text-decoration: none;
    color: var(--twiin-text-primary);
    transition: all var(--twiin-transition);
    position: relative;
    overflow: hidden;
}

.twiin-icon-tile::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--twiin-accent-light) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--twiin-transition);
}

.twiin-icon-tile:hover::before {
    opacity: 1;
}

.twiin-icon-tile:hover {
    border-color: var(--twiin-accent-color);
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--twiin-shadow-lg);
}

.twiin-icon-tile-icon {
    color: var(--twiin-accent-color);
    margin-bottom: var(--twiin-spacing);
    font-size: 3rem;
    transition: transform var(--twiin-transition);
}

.twiin-icon-tile:hover .twiin-icon-tile-icon {
    transform: scale(1.1) rotate(5deg);
}

.twiin-icon-tile h2 {
    margin: var(--twiin-spacing-sm) 0;
    font-size: 1.35rem;
    position: relative;
    z-index: 1;
}

.twiin-icon-tile p {
    margin: var(--twiin-spacing-sm) 0 0;
    color: var(--twiin-text-secondary);
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

/* ===== Projects Grid ===== */
.twiin-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--twiin-spacing-xl);
    margin-top: var(--twiin-spacing-xl);
}

.twiin-project-card {
    border: 1px solid var(--twiin-border-color);
    border-radius: var(--twiin-radius-lg);
    padding: var(--twiin-spacing-lg);
    background: linear-gradient(135deg, var(--twiin-surface), var(--twiin-bg-darker));
    transition: all var(--twiin-transition);
    position: relative;
    overflow: hidden;
}

.twiin-project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--twiin-accent-color), transparent);
    opacity: 0;
    transition: opacity var(--twiin-transition);
}

.twiin-project-card:hover::before {
    opacity: 1;
}

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

.twiin-project-card h2 {
    margin-top: 0;
    font-size: 1.35rem;
}

.twiin-project-card h2 a {
    color: var(--twiin-text-primary);
    text-decoration: none;
    transition: color var(--twiin-transition-fast);
}

.twiin-project-card h2 a:hover {
    color: var(--twiin-accent-color);
}

.twiin-project-description {
    color: var(--twiin-text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--twiin-spacing);
    line-height: 1.6;
}

.twiin-project-meta {
    font-size: 1rem;
    color: var(--twiin-text-secondary);
    margin-bottom: var(--twiin-spacing);
}

/* ===== Project Detail Page ===== */
.twiin-project-org-name {
    display: inline-block;
    padding: var(--twiin-spacing-xs) var(--twiin-spacing);
    background: var(--twiin-accent-light);
    color: var(--twiin-accent-color);
    border-radius: var(--twiin-radius);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--twiin-spacing);
    border: 1px solid var(--twiin-accent-color);
}

/* ===== Breadcrumb ===== */
.twiin-breadcrumb {
    font-size: 1rem;
    margin-bottom: var(--twiin-spacing-lg);
    color: var(--twiin-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--twiin-spacing-xs);
}

.twiin-breadcrumb a {
    color: var(--twiin-accent-color);
    text-decoration: none;
    transition: color var(--twiin-transition-fast);
}

.twiin-breadcrumb a:hover {
    color: var(--twiin-text-primary);
}

/* ===== Assets List ===== */
.twiin-assets-section {
    margin-top: var(--twiin-spacing-xl);
}

.twiin-assets-list {
    list-style: none;
    padding: 0;
    margin: var(--twiin-spacing-lg) 0;
}

.twiin-asset-item {
    display: flex;
    align-items: center;
    gap: var(--twiin-spacing);
    padding: var(--twiin-spacing);
    border: 1px solid var(--twiin-border-color);
    border-radius: var(--twiin-radius);
    margin-bottom: var(--twiin-spacing);
    background-color: var(--twiin-bg-darker);
    transition: all var(--twiin-transition);
}

.twiin-asset-item:hover {
    background-color: var(--twiin-surface);
    border-color: var(--twiin-accent-color);
    transform: translateX(4px);
    box-shadow: var(--twiin-shadow);
}

.twiin-asset-icon {
    flex-shrink: 0;
    color: var(--twiin-accent-color);
    transition: transform var(--twiin-transition);
}

.twiin-asset-item:hover .twiin-asset-icon {
    transform: scale(1.1);
}

.twiin-asset-info {
    flex-grow: 1;
}

.twiin-asset-info h3 {
    margin: 0 0 var(--twiin-spacing-xs);
    font-size: 1.1rem;
    color: var(--twiin-text-primary);
}

.twiin-asset-description {
    font-size: 0.9rem;
    color: var(--twiin-text-secondary);
    margin-bottom: var(--twiin-spacing-xs);
    line-height: 1.5;
}

.twiin-asset-meta {
    font-size: 1rem;
    color: var(--twiin-text-secondary);
    display: flex;
    gap: var(--twiin-spacing);
}

.twiin-asset-filename {
    font-family: 'Courier New', monospace;
}

.twiin-asset-actions {
    flex-shrink: 0;
}

/* ===== Contact Page ===== */
.twiin-contact-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--twiin-spacing-2xl);
    margin-top: var(--twiin-spacing-xl);
}

.twiin-contact-info h2 {
    margin-top: 0;
}

.twiin-contact-details {
    margin-top: var(--twiin-spacing-xl);
}

.twiin-contact-details h3 {
    font-size: 1.1rem;
    margin-bottom: var(--twiin-spacing);
}

/* ===== Footer ===== */
.twiin-portal-footer {
    background-color: var(--twiin-black);
    border-top: 1px solid var(--twiin-border-color);
    margin-top: var(--twiin-spacing-2xl);
    padding: var(--twiin-spacing-xl) var(--twiin-spacing);
    text-align: center;
    color: var(--twiin-text-secondary);
    font-size: 1rem;
}

.twiin-portal-footer-inner {
    max-width: var(--twiin-max-width);
    margin: 0 auto;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .twiin-portal-header {
        padding: var(--twiin-spacing);
    }

    .twiin-portal-header-inner {
        flex-wrap: nowrap;
    }

    .twiin-mobile-menu-toggle {
        display: flex;
    }

    .twiin-portal-logo {
        flex: 1;
    }

    .twiin-portal-logo img {
        max-height: 40px;
    }

    .twiin-portal-tagline {
        font-size: 0.875rem;
    }

    /* Hide desktop navigation and back link in header on mobile */
    .twiin-portal-nav {
        display: none;
    }

    .twiin-portal-back-link {
        display: none;
    }

    /* Mobile drawer navigation styles */
    .twiin-mobile-menu-drawer .twiin-portal-nav {
        display: block;
    }

    .twiin-mobile-menu-drawer .twiin-portal-nav ul {
        flex-direction: column;
        gap: 0;
        width: 100%;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .twiin-mobile-menu-drawer .twiin-portal-nav li {
        border-bottom: 1px solid var(--twiin-border-color);
    }

    .twiin-mobile-menu-drawer .twiin-portal-nav li:last-child {
        border-bottom: none;
    }

    .twiin-mobile-menu-drawer .twiin-portal-nav a {
        border-radius: 0;
        display: flex;
        align-items: center;
        padding: var(--twiin-spacing);
        font-size: 1.1rem;
        color: var(--twiin-text-primary);
        text-decoration: none;
        transition: all var(--twiin-transition-fast);
    }

    .twiin-mobile-menu-drawer .twiin-portal-nav a::after {
        display: none;
    }

    .twiin-mobile-menu-drawer .twiin-portal-nav a:hover {
        background-color: var(--twiin-surface);
        color: var(--twiin-accent-color);
        padding-left: var(--twiin-spacing-lg);
    }

    .twiin-mobile-menu-drawer .twiin-portal-nav .current a {
        background-color: var(--twiin-accent-light);
        color: var(--twiin-accent-color);
        border-left: 4px solid var(--twiin-accent-color);
    }

    /* Back to main site link in mobile drawer */
    .twiin-mobile-menu-drawer .twiin-portal-back-link {
        display: block;
        margin-top: var(--twiin-spacing-lg);
        padding-top: var(--twiin-spacing-lg);
        border-top: 1px solid var(--twiin-border-color);
    }

    .twiin-mobile-menu-drawer .twiin-portal-back-link a {
        display: flex;
        align-items: center;
        gap: var(--twiin-spacing-sm);
        padding: var(--twiin-spacing);
        color: var(--twiin-text-secondary);
        text-decoration: none;
        font-size: 1rem;
        border-radius: var(--twiin-radius);
        transition: all var(--twiin-transition-fast);
    }

    .twiin-mobile-menu-drawer .twiin-portal-back-link a:hover {
        color: var(--twiin-accent-color);
        background-color: var(--twiin-surface);
    }

    .twiin-mobile-menu-drawer .twiin-portal-back-link a::before {
        content: '←';
        font-size: 1.25rem;
        font-weight: bold;
    }

    .twiin-welcome-layout,
    .twiin-welcome-layout:has(.twiin-welcome-video) {
        grid-template-columns: 1fr;
    }

    .twiin-contact-layout {
        grid-template-columns: 1fr;
        gap: var(--twiin-spacing-xl);
    }

    .twiin-projects-grid {
        grid-template-columns: 1fr;
    }

    .twiin-asset-item {
        flex-wrap: wrap;
    }

    .twiin-asset-actions {
        width: 100%;
    }

    .twiin-asset-actions .twiin-button {
        width: 100%;
    }

    .twiin-portal-content {
        padding: var(--twiin-spacing-lg);
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.35rem;
    }

    .twiin-portal-content {
        padding: var(--twiin-spacing);
    }

    .twiin-icon-tiles {
        grid-template-columns: 1fr;
    }
}

/* ===== Print Styles ===== */
@media print {
    .twiin-portal-header,
    .twiin-portal-nav,
    .twiin-portal-back-link,
    .twiin-portal-footer,
    .twiin-button {
        display: none;
    }

    .twiin-portal-content {
        box-shadow: none;
        border: 1px solid #000;
    }

    .twiin-portal {
        background: white;
        color: black;
    }
}

/* ===== Loading States ===== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.twiin-loading {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ===== Smooth Scrolling ===== */
.twiin-portal {
    scroll-behavior: smooth;
}

/* ===== Projects Page Header (title + view toggle) ===== */
.twiin-projects-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--twiin-spacing);
    margin-bottom: var(--twiin-spacing-xl);
}

.twiin-projects-header h1 {
    margin: 0;
}

/* ===== Project Location Label ===== */
.twiin-project-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--twiin-spacing-xs);
}

.twiin-project-location {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
    color: var(--twiin-text-muted);
}

.twiin-project-location svg {
    flex-shrink: 0;
    color: var(--twiin-accent-color);
}

/* ===== Projects Map ===== */
.twiin-map-section {
    margin-bottom: var(--twiin-spacing-xl);
}

.twiin-projects-map {
    width: 100%;
    height: 520px;
    border-radius: var(--twiin-radius-lg);
    overflow: hidden;
    border: 1px solid var(--twiin-border-color);
    background: var(--twiin-surface);
    isolation: isolate;
}

/* Custom donut marker using brand colour */
.twiin-map-marker {
    width: 26px;
    height: 26px;
    background: #fff;
    border: 5px solid var(--twiin-accent-color);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(34, 113, 177, 0.45), 0 1px 3px rgba(0, 0, 0, 0.15);
}

/* Leaflet popup theming */
.twiin-map-popup {
    font-family: var(--twiin-body-font);
    font-size: 0.9rem;
    line-height: 1.5;
}

.twiin-map-popup strong {
    display: block;
    color: #111;
    margin-bottom: 2px;
}

.twiin-map-popup small {
    color: #555;
}

.twiin-map-popup-link {
    display: inline-block;
    margin-top: 6px;
    color: var(--twiin-accent-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
}

.twiin-map-popup-link:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .twiin-projects-map {
        height: 360px;
    }
}

/* ===== Iframe Modal ===== */
.twiin-iframe-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    animation: fadeIn var(--twiin-transition-fast);
}

.twiin-iframe-overlay[hidden] {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.twiin-iframe-modal {
    width: 90vw;
    height: 85vh;
    max-width: 1400px;
    background: var(--twiin-black);
    border: 1px solid var(--twiin-border-color);
    border-radius: var(--twiin-radius-lg);
    display: flex;
    flex-direction: column;
    box-shadow: var(--twiin-shadow-xl);
    overflow: hidden;
}

.twiin-iframe-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--twiin-spacing) var(--twiin-spacing-lg);
    border-bottom: 1px solid var(--twiin-border-color);
    background: var(--twiin-bg-darker);
    flex-shrink: 0;
}

.twiin-iframe-modal-title {
    font-family: var(--twiin-heading-font);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--twiin-text-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.twiin-iframe-modal-close {
    background: var(--twiin-surface);
    border: 1px solid var(--twiin-border-color);
    cursor: pointer;
    padding: var(--twiin-spacing-xs);
    color: var(--twiin-text-secondary);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--twiin-radius);
    transition: all var(--twiin-transition-fast);
    flex-shrink: 0;
    margin-left: var(--twiin-spacing);
}

.twiin-iframe-modal-close:hover {
    background: var(--twiin-accent-color);
    border-color: var(--twiin-accent-color);
    color: var(--twiin-text-primary);
}

.twiin-iframe-modal-close:focus-visible {
    outline: 3px solid var(--twiin-accent-color);
    outline-offset: 2px;
}

.twiin-iframe-modal-body {
    flex: 1;
    overflow: hidden;
}

.twiin-iframe-modal-body iframe {
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 768px) {
    .twiin-iframe-modal {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
    }
}