/**
 * Shared Header Styles for SYNTAXIS Branding Galleries
 */

:root {
    --syntaxis-blue: #2C5F8E;
    --syntaxis-gray: #757773;
    --syntaxis-gold: #D97706;
    --syntaxis-green: #059669;
    --syntaxis-purple: #7C3AED;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Header */
.shared-header {
    background: transparent;
    color: white;
    padding: 1.5rem 2rem;
    box-shadow: none;
}

body.dark-mode .shared-header {
    background: transparent;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    flex-direction: column;
}

.header-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    white-space: nowrap;
}

.header-logo {
    width: 400px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-logo object,
.header-logo svg {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
}

.header-nav {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-btn, .header-btn {
    background: var(--syntaxis-blue);
    color: white;
    border: 1px solid var(--syntaxis-blue);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-family: var(--font-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    text-decoration: none;
}

.nav-btn:hover, .header-btn:hover {
    background: #1E3A5F;
    border-color: #1E3A5F;
    box-shadow: 0 4px 12px rgba(44, 95, 142, 0.3);
}

body.dark-mode .nav-btn, body.dark-mode .header-btn {
    background: #3d5a7d;
    border-color: #3d5a7d;
    color: #9ab8d9;
}

body.dark-mode .nav-btn:hover, body.dark-mode .header-btn:hover {
    background: #4a6b94;
    border-color: #4a6b94;
    color: #b0d0f0;
}

.nav-btn.active {
    display: none;
}

/* Modal Palette */
#palette-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.palette-modal-content {
    background: white;
    border-radius: 12px;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

body.dark-mode .palette-modal-content {
    background: #1E293B;
    color: #F1F5F9;
}

.palette-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.palette-modal-header h2 {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--syntaxis-blue);
    margin: 0;
}

body.dark-mode .palette-modal-header h2 {
    color: #60A5FA;
}

.palette-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6B7280;
    transition: color 0.2s;
}

body.dark-mode .palette-modal-close {
    color: #9CA3AF;
}

.palette-modal-close:hover {
    color: var(--syntaxis-blue);
}

/* Modal Sections */
.palette-section {
    margin-bottom: 2.5rem;
}

.palette-section h3 {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--syntaxis-blue);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--syntaxis-gold);
    padding-bottom: 0.75rem;
}

body.dark-mode .palette-section h3 {
    color: #60A5FA;
}

/* Color Grid */
.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.color-card {
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.2s;
}

body.dark-mode .color-card {
    background: #0F172A;
    border-color: #334155;
}

.color-card:hover {
    box-shadow: 0 4px 12px rgba(44, 95, 142, 0.15);
    transform: translateY(-2px);
}

.color-sample {
    height: 80px;
    width: 100%;
    border-bottom: 1px solid #E5E7EB;
}

body.dark-mode .color-sample {
    border-bottom-color: #334155;
}

.color-info {
    padding: 1rem;
}

.color-name {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--syntaxis-blue);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

body.dark-mode .color-name {
    color: #60A5FA;
}

.color-code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #6B7280;
    margin-bottom: 0.3rem;
    word-break: break-all;
    cursor: pointer;
    transition: color 0.2s;
}

body.dark-mode .color-code {
    color: #9CA3AF;
}

.color-code:hover {
    color: var(--syntaxis-blue);
}

/* Font Grid */
.font-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.font-card {
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.2s;
}

body.dark-mode .font-card {
    background: #0F172A;
    border-color: #334155;
}

.font-card:hover {
    box-shadow: 0 4px 12px rgba(44, 95, 142, 0.15);
    transform: translateY(-2px);
}

.font-preview {
    margin-bottom: 1rem;
}

.font-name {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--syntaxis-blue);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

body.dark-mode .font-name {
    color: #60A5FA;
}

.font-stack {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: #6B7280;
    background: white;
    border: 1px solid #E5E7EB;
    padding: 0.75rem;
    border-radius: 4px;
    word-break: break-all;
    cursor: pointer;
    transition: all 0.2s;
}

body.dark-mode .font-stack {
    background: #1E293B;
    border-color: #475569;
    color: #9CA3AF;
}

.font-stack:hover {
    background: var(--syntaxis-blue);
    color: white;
}

/* Toggleable Note */
.info-note {
    background: #DFF2F1;
    border-left: 4px solid var(--syntaxis-blue);
    padding: 1rem 1.5rem;
    border-radius: 6px;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    line-height: 1.6;
    display: none;
}

body.dark-mode .info-note {
    background: #0F3F3F;
    color: #A0F9F9;
    border-left-color: #60A5FA;
}

.info-note.visible {
    display: block;
}

.info-note-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.info-note-title {
    font-weight: 600;
    color: var(--syntaxis-blue);
    font-size: 1rem;
}

body.dark-mode .info-note-title {
    color: #60A5FA;
}

.toggle-note-btn {
    background: var(--syntaxis-blue);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-family: var(--font-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
    margin-bottom: 1.5rem;
}

body.dark-mode .toggle-note-btn {
    background: #60A5FA;
}

.toggle-note-btn:hover {
    background: #1E3A5F;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(44, 95, 142, 0.3);
}

body.dark-mode .toggle-note-btn:hover {
    background: #3B82F6;
}

/* Main Logo Showcase Section */
.main-logo-showcase {
    margin-bottom: 3rem;
}

.main-logo-showcase h2 {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--syntaxis-blue);
    margin-bottom: 1.5rem;
    border-bottom: 3px solid var(--syntaxis-gold);
    padding-bottom: 0.75rem;
}

body.dark-mode .main-logo-showcase h2 {
    color: #60A5FA;
}

.main-logo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.main-logo-card {
    background: white;
    border: 2px solid #E5E7EB;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

body.dark-mode .main-logo-card {
    background: #252525;
    border-color: #404040;
}

.main-logo-card:hover {
    box-shadow: 0 8px 20px rgba(44, 95, 142, 0.2);
    transform: translateY(-4px);
    border-color: var(--syntaxis-blue);
}

.main-logo-preview {
    background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
    padding: 2rem 1.5rem;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}

body.dark-mode .main-logo-preview {
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
}

.main-logo-preview svg,
.main-logo-preview object {
    max-width: 100%;
    max-height: 180px;
}

/* Monochrome logos invert in dark mode */
body.dark-mode .main-logo-preview object[data*="_bn"],
body.dark-mode .main-logo-preview object[data*="_bn_"] {
    filter: invert(1);
}

.main-logo-info {
    padding: 1.5rem;
    border-top: 1px solid #E5E7EB;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

body.dark-mode .main-logo-info {
    border-top-color: #334155;
}

.main-logo-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
    background: transparent;
    color: var(--syntaxis-gold);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    margin-bottom: 0.75rem;
}

body.dark-mode .main-logo-badge {
    background: transparent;
    color: #d4a574;
}

.main-logo-title {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--syntaxis-blue);
    margin-bottom: 0.5rem;
}

body.dark-mode .main-logo-title {
    color: #60A5FA;
}

.main-logo-description {
    font-size: 0.9rem;
    color: #6B7280;
    line-height: 1.5;
    margin-bottom: 1rem;
}

body.dark-mode .main-logo-description {
    color: #9CA3AF;
}

.main-logo-action {
    padding-top: 1rem;
    border-top: 1px solid #E5E7EB;
    margin-top: auto;
}

body.dark-mode .main-logo-action {
    border-top-color: #334155;
}

.main-logo-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #9CA3AF;
    margin-bottom: 1rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    transition: all 0.2s ease;
    display: inline-block;
    position: relative;
}

.main-logo-meta:hover {
    background: rgba(44, 95, 142, 0.1);
    color: var(--syntaxis-blue);
}

.main-logo-meta:hover::after {
    content: "Click to copy";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--syntaxis-blue);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    white-space: nowrap;
    margin-bottom: 0.5rem;
    font-family: var(--font-secondary);
    z-index: 1000;
    animation: tooltipIn 0.2s ease-out;
}

.main-logo-meta:hover::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--syntaxis-blue);
    margin-bottom: -10px;
    z-index: 1000;
}

body.dark-mode .main-logo-meta {
    color: #64748B;
}

body.dark-mode .main-logo-meta:hover {
    background: rgba(96, 165, 250, 0.1);
    color: #60a5fa;
}

body.dark-mode .main-logo-meta:hover::after {
    background: #60a5fa;
}

body.dark-mode .main-logo-meta:hover::before {
    border-top-color: #60a5fa;
}

@keyframes tooltipIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.main-logo-btn {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #F3F4F6;
    color: var(--syntaxis-blue);
    border: 2px solid var(--syntaxis-blue);
    border-radius: 6px;
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.main-logo-btn:hover {
    background: #E5E7EB;
    box-shadow: 0 4px 12px rgba(44, 95, 142, 0.3);
    transform: translateY(-1px);
}

body.dark-mode .main-logo-btn {
    background: #3a4555;
    color: #9ab8d9;
    border-color: #9ab8d9;
}

body.dark-mode .main-logo-btn:hover {
    background: #4a5a75;
    color: #b0d0f0;
    border-color: #b0d0f0;
}

/* Toast notification */
.copy-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--syntaxis-blue);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-size: 0.85rem;
    z-index: 2000;
    animation: slideIn 0.3s ease-out, slideOut 0.3s ease-out 2.7s forwards;
    box-shadow: 0 4px 12px rgba(44, 95, 142, 0.3);
}

body.dark-mode .copy-toast {
    background: #60a5fa;
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.3);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-title {
        width: 100%;
    }

    .header-nav {
        width: 100%;
        justify-content: flex-start;
    }

    .palette-modal-content {
        max-height: 95vh;
        padding: 1.5rem;
    }

    .color-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }

    .font-grid {
        grid-template-columns: 1fr;
    }

    .main-logo-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}