/* =============================================================================
   TACTICAL QR - Military-Themed QR Code Generator
   CSS Stylesheet with Bold Design & Theme Support
   ============================================================================= */

/* CSS Variables for Themes - BOLD SOLID COLORS */
:root {
    /* Common */
    --font-mono: 'Share Tech Mono', monospace;
    --font-display: 'Orbitron', sans-serif;
    --font-normal: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --border-radius: 4px;
    --shadow-glow: 0 0 20px;
    
    /* Larger base font */
    --font-size-base: 18px;
    --font-size-sm: 14px;
    --font-size-xs: 12px;
    --font-size-lg: 22px;
    --font-size-xl: 28px;
    --font-size-xxl: 36px;
}

/* =============================================================================
   LIGHT THEMES (3 themes)
   ============================================================================= */

/* Theme: Light Mode - Clean White */
.theme-light {
    --bg-primary: #f5f5f5;
    --bg-secondary: #e8e8e8;
    --bg-panel: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #444444;
    --text-muted: #777777;
    --accent-primary: #1976d2;
    --accent-secondary: #1565c0;
    --accent-glow: rgba(25, 118, 210, 0.3);
    --border-color: #d0d0d0;
    --danger: #d32f2f;
    --warning: #f57c00;
    --success: #388e3c;
}

/* Theme: Crimson - Light Red */
.theme-crimson {
    --bg-primary: #fff5f5;
    --bg-secondary: #ffe8e8;
    --bg-panel: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #4a3030;
    --text-muted: #8a6060;
    --accent-primary: #dc2626;
    --accent-secondary: #b91c1c;
    --accent-glow: rgba(220, 38, 38, 0.3);
    --border-color: #fca5a5;
    --danger: #dc2626;
    --warning: #f59e0b;
    --success: #16a34a;
}

/* Theme: Pink - Cherry Blossom */
.theme-pink {
    --bg-primary: #fdf2f8;
    --bg-secondary: #fce7f3;
    --bg-panel: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #4a3040;
    --text-muted: #9a6080;
    --accent-primary: #ec4899;
    --accent-secondary: #db2777;
    --accent-glow: rgba(236, 72, 153, 0.3);
    --border-color: #f9a8d4;
    --danger: #e11d48;
    --warning: #f59e0b;
    --success: #16a34a;
}

/* =============================================================================
   DARK THEMES (3 themes)
   ============================================================================= */

/* Theme: Olive Drab (Default) - Forest Green Dark */
.theme-olive {
    --bg-primary: #0d1208;
    --bg-secondary: #1a2014;
    --bg-panel: #232d1c;
    --text-primary: #d4e8a8;
    --text-secondary: #a8c070;
    --text-muted: #6a7848;
    --accent-primary: #8bc34a;
    --accent-secondary: #689f38;
    --accent-glow: rgba(139, 195, 74, 0.5);
    --border-color: #4a5a2a;
    --danger: #f44336;
    --warning: #ff9800;
    --success: #4caf50;
}

/* Theme: Earth Brown - Dark */
.theme-earth {
    --bg-primary: #0d0a08;
    --bg-secondary: #1a1510;
    --bg-panel: #2d2518;
    --text-primary: #f0dcc0;
    --text-secondary: #c0a070;
    --text-muted: #806040;
    --accent-primary: #c68642;
    --accent-secondary: #a66a2a;
    --accent-glow: rgba(198, 134, 66, 0.5);
    --border-color: #6a5030;
    --danger: #f44336;
    --warning: #ff9800;
    --success: #4caf50;
}

/* Theme: Dark Mode - Pure Dark */
.theme-dark {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-panel: #141414;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #707070;
    --accent-primary: #00bcd4;
    --accent-secondary: #0097a7;
    --accent-glow: rgba(0, 188, 212, 0.5);
    --border-color: #2a2a2a;
    --danger: #f44336;
    --warning: #ff9800;
    --success: #4caf50;
}

/* =============================================================================
   Normal Font Mode
   ============================================================================= */

body.normal-font {
    font-family: var(--font-normal) !important;
}

body.normal-font * {
    font-family: var(--font-normal) !important;
}

body.normal-font .logo-text,
body.normal-font .panel-header h2,
body.normal-font .page-title,
body.normal-font .section-title {
    font-family: var(--font-normal) !important;
    letter-spacing: 0.5px !important;
}

/* =============================================================================
   SEO Hidden Elements
   ============================================================================= */

.seo-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* =============================================================================
   Theme Hint Tooltip / Onboarding Popup
   ============================================================================= */

.theme-hint {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 2000;
    animation: hint-fade-in 0.3s ease;
}

.theme-hint.hidden {
    display: none;
}

.theme-hint-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    color: white;
    padding: 16px 20px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(236, 72, 153, 0.4);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    min-width: 200px;
}

.theme-hint-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 15px;
}

.theme-hint-emoji {
    font-size: 20px;
}

.theme-hint-title {
    font-weight: 700;
}

.theme-hint-text {
    font-size: 13px;
    opacity: 0.95;
    line-height: 1.4;
}

.theme-hint-arrow {
    position: absolute;
    top: -10px;
    right: 30px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #ec4899;
}

@keyframes hint-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.theme-hint-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 20px;
    border-radius: 20px;
    margin-top: 8px;
    transition: background 0.2s ease;
}

.theme-hint-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* =============================================================================
   Font Toggle Button
   ============================================================================= */

.font-toggle-btn {
    background: var(--bg-panel);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: var(--transition-fast);
    font-family: serif;
}

.font-toggle-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* =============================================================================
   Base Styles
   ============================================================================= */

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

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

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-mono);
    font-weight: 500;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

/* =============================================================================
   Ambient Effects
   ============================================================================= */

.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
    animation: scanlines-move 10s linear infinite;
}

@keyframes scanlines-move {
    0% { background-position: 0 0; }
    100% { background-position: 0 100px; }
}

.vignette {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
    background: radial-gradient(ellipse at center, transparent 0%, transparent 60%, rgba(0, 0, 0, 0.5) 100%);
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 998;
    opacity: 0.05;
    background: 
        linear-gradient(var(--accent-primary) 1px, transparent 1px),
        linear-gradient(90deg, var(--accent-primary) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-pan 60s linear infinite;
}

@keyframes grid-pan {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

/* =============================================================================
   Header
   ============================================================================= */

.header {
    background: var(--bg-secondary);
    border-bottom: 3px solid var(--accent-primary);
    position: relative;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-container a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-image {
    height: 200px;
    width: auto;
    border-radius: 12px;
}

.logo-icon {
    font-size: 2.5rem;
    color: var(--accent-primary);
    font-weight: bold;
    animation: logo-flicker 5s ease-in-out infinite;
}

@keyframes logo-flicker {
    0%, 90%, 100% { opacity: 1; }
    92% { opacity: 0.8; }
    94% { opacity: 1; }
    96% { opacity: 0.6; }
    98% { opacity: 1; }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: 3px;
}

.version {
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--accent-primary);
    background: var(--bg-panel);
    padding: 0.25rem 0.6rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

/* Navigation */
.main-nav {
    display: flex;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: bold;
    letter-spacing: 2px;
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    text-transform: uppercase;
}

.nav-link:hover {
    color: var(--accent-primary);
    background: var(--bg-panel);
}

.nav-link.active {
    color: var(--accent-primary);
    background: var(--bg-panel);
    border-bottom: 2px solid var(--accent-primary);
}

.nav-link.donate-link {
    background: linear-gradient(135deg, #f472b6 0%, #ec4899 50%, #db2777 100%);
    color: #ffffff;
    border: 2px solid #db2777;
    box-shadow: 0 0 12px rgba(236, 72, 153, 0.35);
}

.nav-link.donate-link:hover {
    color: #ffffff;
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    border-color: #be185d;
    transform: translateY(-1px);
}

.nav-link.donate-link.active {
    color: #ffffff;
    border-bottom: none;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-indicator {
    width: 10px;
    height: 10px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--success); }
    50% { box-shadow: 0 0 0 10px transparent; }
}

.status-text {
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.theme-selector {
    display: flex;
    gap: 0.5rem;
}

.theme-btn {
    width: 36px;
    height: 36px;
    border: 2px solid var(--border-color);
    background: var(--bg-panel);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-btn:hover {
    border-color: var(--accent-primary);
    transform: scale(1.15);
}

.data-ticker {
    background: var(--bg-primary);
    padding: 0.5rem 2rem;
    overflow: hidden;
    border-top: 1px solid var(--border-color);
}

.ticker-content {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--text-muted);
    letter-spacing: 1px;
    white-space: nowrap;
    animation: ticker-scroll 30s linear infinite;
}

@keyframes ticker-scroll {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    background: var(--bg-panel);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.5rem;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    z-index: 1001;
}

.mobile-menu-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* =============================================================================
   Main Container
   ============================================================================= */

.main-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
    min-height: calc(100vh - 300px);
}

@media (max-width: 1024px) {
    .main-container {
        grid-template-columns: 1fr;
    }
}

/* =============================================================================
   Panels
   ============================================================================= */

.panel {
    background: var(--bg-panel);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-primary);
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.panel-icon {
    color: var(--accent-primary);
    font-size: 1.4rem;
    font-weight: bold;
}

.panel-header h2 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 3px;
    color: var(--text-primary);
}

.section-label {
    display: block;
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
}

/* =============================================================================
   QR Type Selector
   ============================================================================= */

.type-selector {
    margin-bottom: 2rem;
}

.type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.6rem;
}

.type-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    padding: 0.9rem 0.6rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
    font-weight: bold;
}

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

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

.type-btn.active .type-name {
    color: var(--bg-primary);
}

.type-icon {
    font-size: 1.4rem;
}

.type-name {
    font-size: 0.7rem;
    font-weight: bold;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* =============================================================================
   Form Inputs
   ============================================================================= */

.input-section {
    margin-top: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: bold;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-field {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.85rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.input-field:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px var(--accent-glow);
}

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

.textarea {
    resize: vertical;
    min-height: 100px;
}

.input-hint {
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--text-muted);
    font-style: italic;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: bold;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-primary);
}

.hidden {
    display: none !important;
}

/* =============================================================================
   QR Preview
   ============================================================================= */

.qr-preview-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 320px;
    margin-bottom: 1.5rem;
}

.target-brackets {
    position: absolute;
    width: 290px;
    height: 290px;
    pointer-events: none;
}

.bracket {
    position: absolute;
    width: 35px;
    height: 35px;
    border: 3px solid var(--accent-primary);
    opacity: 0.8;
    transition: var(--transition-normal);
}

.bracket.tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.bracket.tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.bracket.bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.bracket.br { bottom: 0; right: 0; border-left: none; border-top: none; }

.qr-preview-container:hover .bracket {
    width: 45px;
    height: 45px;
    opacity: 1;
}

.qr-preview {
    width: 270px;
    height: 270px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.qr-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.placeholder-qr {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scanner-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 250px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0;
    animation: none;
}

.qr-preview-container.scanning .scanner-line {
    opacity: 1;
    animation: scanner-sweep 1.5s ease-in-out;
}

@keyframes scanner-sweep {
    0% { top: 30px; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: calc(100% - 30px); opacity: 0; }
}

/* Download Link Display */
.download-link-container {
    display: none;
    background: var(--bg-secondary);
    border: 2px solid var(--accent-primary);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
}

.download-link-container.visible {
    display: block;
}

.download-link-label {
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.download-link-row {
    display: flex;
    gap: 0.5rem;
}

.download-link-input {
    flex: 1;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.6rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.copy-link-btn {
    background: var(--accent-primary);
    border: none;
    border-radius: var(--border-radius);
    padding: 0.6rem 1rem;
    color: var(--bg-primary);
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-fast);
}

.copy-link-btn:hover {
    background: var(--accent-secondary);
}

.download-link-notice {
    font-size: 0.75rem;
    color: var(--warning);
    margin-top: 0.5rem;
    font-weight: bold;
}

/* =============================================================================
   Customization Controls
   ============================================================================= */

.customization-section {
    margin-bottom: 1.5rem;
}

.control-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.control-group.full-width {
    grid-column: 1 / -1;
}

.control-group label {
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.color-input-wrapper {
    display: flex;
    gap: 0.5rem;
}

.color-input {
    width: 45px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    padding: 3px;
    background: var(--bg-primary);
}

.hex-input {
    flex: 1;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.5rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: bold;
    text-transform: uppercase;
}

.range-input {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-primary);
    border-radius: 4px;
    outline: none;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
}

.range-input::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.logo-options {
    margin-top: 0.75rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.file-input {
    display: none;
}

.file-label {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: bold;
    transition: var(--transition-fast);
}

.file-label:hover {
    border-color: var(--accent-primary);
}

.file-name {
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--text-muted);
}

/* =============================================================================
   Action Buttons
   ============================================================================= */

.action-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1.1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition-fast);
    text-transform: uppercase;
    text-decoration: none;
    min-width: 0;
}

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

.btn-primary:hover {
    background: var(--accent-secondary);
    box-shadow: var(--shadow-glow) var(--accent-glow);
}

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

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

.btn-secondary:hover:not(:disabled) {
    border-color: var(--accent-primary);
}

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

.btn-icon {
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
}

/* =============================================================================
   Status Message
   ============================================================================= */

.status-message {
    min-height: 2.5rem;
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: bold;
    text-align: center;
    transition: var(--transition-normal);
}

.status-message.success {
    background: var(--success);
    border: 2px solid var(--success);
    color: #ffffff;
}

.status-message.error {
    background: var(--danger);
    border: 2px solid var(--danger);
    color: #ffffff;
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.status-message.loading {
    background: var(--warning);
    border: 2px solid var(--warning);
    color: #000000;
}

.contrast-warning {
    margin-top: 0.75rem;
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: bold;
    text-align: center;
    background: var(--warning);
    border: 2px solid var(--warning);
    color: #000000;
}

.test-reminder {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: bold;
    color: var(--text-muted);
}

/* =============================================================================
   Footer - 4 Section Layout
   ============================================================================= */

.footer {
    background: var(--bg-secondary);
    border-top: 3px solid var(--accent-primary);
    padding: 3rem 2rem 1.5rem;
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin: 0 0 1rem 0;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

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

.footer-links li {
    margin-bottom: 0.6rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: bold;
    transition: var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-panel);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.social-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-3px);
}

.social-link img {
    width: 22px;
    height: 22px;
}

.footer-quote {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.footer-quote p {
    font-style: italic;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: bold;
    margin: 0;
}

.footer-location {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin: 0.3rem 0 0 0;
}

/* Old footer style for simple pages */
.footer-simple {
    text-align: center;
    padding: 1rem 2rem;
}

.footer-simple .footer-content {
    font-size: 0.85rem;
    font-weight: bold;
    color: var(--text-muted);
    letter-spacing: 1px;
}

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

.footer a:hover {
    text-decoration: underline;
}

.separator {
    margin: 0 1rem;
    opacity: 0.5;
}

/* =============================================================================
   Social Brand Colors
   ============================================================================= */

.social-link svg {
    width: 22px;
    height: 22px;
    transition: var(--transition-fast);
}

.social-link.social-discord {
    color: var(--text-secondary);
}

.social-link.social-discord:hover {
    border-color: #5865F2;
    color: #5865F2;
    background: rgba(88, 101, 242, 0.1);
}

.social-link.social-instagram {
    color: var(--text-secondary);
}

.social-link.social-instagram:hover {
    border-color: #E4405F;
    color: #E4405F;
    background: linear-gradient(45deg, rgba(245, 96, 64, 0.1), rgba(193, 53, 132, 0.1), rgba(131, 58, 180, 0.1));
}

.social-link.social-youtube {
    color: var(--text-secondary);
}

.social-link.social-youtube:hover {
    border-color: #FF0000;
    color: #FF0000;
    background: rgba(255, 0, 0, 0.1);
}

.social-link.social-twitter {
    color: var(--text-secondary);
}

.social-link.social-twitter:hover {
    border-color: #000000;
    color: #000000;
    background: rgba(0, 0, 0, 0.1);
}

.theme-light .social-link.social-twitter:hover,
.theme-crimson .social-link.social-twitter:hover,
.theme-pink .social-link.social-twitter:hover {
    border-color: #000000;
    color: #000000;
}

.theme-dark .social-link.social-twitter:hover,
.theme-olive .social-link.social-twitter:hover,
.theme-earth .social-link.social-twitter:hover {
    border-color: #ffffff;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

.social-link.social-bluesky {
    color: var(--text-secondary);
}

.social-link.social-bluesky:hover {
    border-color: #0085FF;
    color: #0085FF;
    background: rgba(0, 133, 255, 0.1);
}

/* =============================================================================
   Mobile Menu (Hamburger)
   ============================================================================= */

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--text-primary);
}

.mobile-menu-toggle svg {
    width: 28px;
    height: 28px;
}

.hamburger-icon {
    width: 28px;
    height: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger-icon span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* =============================================================================
   Comprehensive Responsive Styles
   ============================================================================= */

/* Small desktop / narrow tablet */
@media (max-width: 1159px) {
    .header-content {
        padding: 1rem 1.5rem;
        gap: 1rem;
    }
    
    .logo-image {
        height: 110px;
    }
    
    .nav-link {
        font-size: 0.8rem;
        letter-spacing: 1px;
        padding: 0.5rem 0.7rem;
    }
    
    .header-right {
        gap: 0.75rem;
    }
    
    .theme-selector {
        gap: 0.35rem;
    }
    
    .theme-btn {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .font-toggle-btn {
        padding: 4px 8px;
        font-size: 12px;
        height: 30px;
    }
}

/* Tablet and below */
@media (max-width: 900px) {
    /* Header */
    .header-content {
        flex-wrap: wrap;
        gap: 1rem;
        position: relative;
    }
    
    .logo-image {
        height: 110px;
    }
    
    /* Hide desktop navigation */
    .main-nav {
        display: none;
    }
    
    /* Header right - reorder for mobile: menu left, theme buttons right */
    .header-right {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        order: 2;
        flex: 1;
        justify-content: flex-end;
    }
    
    /* Mobile menu button - show and position on left of header-right */
    .mobile-menu-btn {
        display: block;
        order: -1;
        margin-right: auto;
    }
    
    /* Theme selector with font button integrated */
    .theme-selector {
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
        justify-content: flex-end;
        align-items: center;
    }
    
    .theme-btn {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
    }
    
    /* Font toggle integrated into theme selector */
    .font-toggle-btn {
        padding: 4px 8px;
        font-size: 12px;
        height: 28px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Navigation when active */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-panel);
        border-top: 2px solid var(--border-color);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        z-index: 1000;
        box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    }
    
    /* Show nav when mobile menu is open */
    .main-nav.mobile-open {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-panel);
        border-top: 2px solid var(--border-color);
        z-index: 1000;
        box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    }
    
    .main-nav.mobile-open .nav-links {
        display: flex;
        flex-direction: column;
        padding: 0;
        gap: 0;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a,
    .main-nav.mobile-open .nav-link {
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
        width: 100%;
        text-align: center;
    }
    
    .nav-links a:last-child,
    .main-nav.mobile-open .nav-link:last-child {
        border-bottom: none;
    }
    
    /* Theme controls in mobile nav */
    .nav-controls {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .theme-buttons {
        gap: 4px;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    /* Main container */
    .main-container {
        padding: 1rem;
        gap: 1.5rem;
    }
}

/* Mobile phones */
@media (max-width: 640px) {
    /* Body font size */
    body {
        font-size: 16px;
    }
    
    /* Header */
    .header-content {
        padding: 0.75rem 1rem;
    }
    
    .logo-image {
        height: 110px;
    }
    
    .logo-text {
        font-size: 1.1rem;
    }
    
    /* Theme hint mobile position - positioned near the theme buttons */
    .theme-hint {
        top: 65px;
        right: 10px;
        left: auto;
        bottom: auto;
    }
    
    .theme-hint-content {
        font-size: 12px;
        padding: 12px 16px;
        min-width: 180px;
    }
    
    .theme-hint-arrow {
        right: 20px;
    }
    
    /* Panel adjustments */
    .panel {
        padding: 1rem;
    }
    
    .panel-header h2 {
        font-size: 1rem;
    }
    
    /* Type selector grid */
    .type-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.4rem;
    }
    
    .type-btn {
        padding: 0.6rem 0.3rem;
        font-size: 0.7rem;
    }
    
    .type-btn .icon {
        font-size: 1.2rem;
    }
    
    /* Form controls */
    .form-group {
        margin-bottom: 1rem;
    }
    
    .input-field,
    .select-field,
    select,
    input[type="text"],
    input[type="url"],
    input[type="email"],
    input[type="tel"],
    textarea {
        font-size: 16px; /* Prevents iOS zoom */
        padding: 0.75rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* Color inputs */
    .color-picker-group {
        flex-wrap: wrap;
    }
    
    /* Options grid */
    .options-grid,
    .advanced-options .options-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Buttons */
    .generate-btn,
    .btn-primary,
    .btn-secondary {
        padding: 1rem;
        font-size: 1rem;
        width: 100%;
    }
    
    .btn-group {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .btn-group .btn {
        width: 100%;
    }
    
    /* QR Preview */
    .qr-preview {
        min-height: 200px;
        padding: 1rem;
    }
    
    .qr-preview img {
        max-width: 180px;
    }
    
    /* Footer mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-quote p {
        font-size: 0.85rem;
    }
    
    /* Info text sections */
    .info-section {
        padding: 1rem;
    }
    
    /* Download buttons */
    .download-section {
        flex-direction: column;
    }
    
    .download-btn {
        width: 100%;
    }
    
    /* Tab buttons */
    .tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1;
        min-width: 80px;
        padding: 0.5rem;
        font-size: 0.75rem;
    }
    
    /* History items */
    .history-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .history-item-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

/* Very small phones */
@media (max-width: 400px) {
    .type-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .theme-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .header-content {
        justify-content: center;
    }
    
    .logo {
        width: 100%;
        justify-content: center;
    }
}

/* Print styles */
@media print {
    .header,
    .footer,
    .nav-links,
    .theme-buttons,
    .theme-hint {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .panel {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}