:root {
    --color-bg: #0a0a0b;
    --color-surface: #141415;
    --color-surface-elevated: #1c1c1e;
    --color-border: #2a2a2c;
    --color-border-strong: #3a3a3c;

    --color-text: #f5f5f7;
    --color-text-secondary: #a1a1a6;
    --color-text-tertiary: #6e6e73;

    --color-accent: #d4a853;
    --color-accent-hover: #e8c87a;
    --color-success: #32d74b;
    --color-error: #ff453a;
    --color-warning: #ff9f0a;

    --color-grid-bg: #f5f5f7;
    --color-grid-line: #d1d1d6;
    --color-grid-claimed: #1c1c1e;

    --font-display: 'Space Grotesk', -apple-system, sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-display);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 64px;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-xl);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
}

.brand-symbol {
    color: var(--color-accent);
    font-size: 1.25rem;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
    border-radius: 1px;
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.auth-state {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.auth-state.hidden {
    display: none;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm) var(--space-xs) var(--space-xs);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.user-chip:hover,
.user-chip.active {
    border-color: var(--color-border-strong);
    background: var(--color-surface-elevated);
}

.user-chip img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--color-surface-elevated);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-border-strong);
    background: var(--color-surface);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    color: var(--color-text);
    background: var(--color-surface);
}

.btn-cta {
    background: var(--color-accent);
    color: var(--color-bg);
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.btn-cta:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px -10px rgba(212, 168, 83, 0.4);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon:hover {
    color: var(--color-text);
    border-color: var(--color-border-strong);
    background: var(--color-surface-elevated);
}

.main {
    flex: 1;
}

.hero {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl) var(--space-xl);
    background: radial-gradient(ellipse at top, var(--color-surface) 0%, var(--color-bg) 50%);
    border-bottom: 1px solid var(--color-border);
}

.hero-content {
    text-align: center;
    max-width: 720px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    max-width: 480px;
    margin: 0 auto var(--space-2xl);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text);
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

.grid-section {
    height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    background: var(--color-grid-bg);
}

.grid-toolbar {
    height: 56px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    flex-shrink: 0;
}

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

.toolbar-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-tertiary);
    font-weight: 600;
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.zoom-value {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    min-width: 48px;
    text-align: center;
}

.coords {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-surface-elevated);
    border-radius: var(--radius-md);
}

.grid-viewport {
    flex: 1;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    cursor: grab;
}

.grid-viewport:active {
    cursor: grabbing;
}

.grid-canvas-container {
    position: relative;
    width: 1000px;
    height: 1000px;
    background: white;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

#grid-canvas {
    display: block;
    width: 100%;
    height: 100%;
    image-rendering: pixelated;
}

.grid-crosshair-h,
.grid-crosshair-v {
    position: absolute;
    pointer-events: none;
    background: var(--color-accent);
    opacity: 0;
    transition: opacity 0.15s;
}

.grid-crosshair-h {
    height: 2px;
    left: 0;
    right: 0;
}

.grid-crosshair-v {
    width: 2px;
    top: 0;
    bottom: 0;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 460px; /* Slightly wider */
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}


.modal-narrow {
    max-width: 380px;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 32px;
    height: 32px;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 10;
}

.modal-close:hover {
    color: var(--color-text);
    border-color: var(--color-border-strong);
}

.modal-header {
    padding: var(--space-xl) var(--space-xl) var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: var(--space-sm);
}

.modal-body {
    padding: var(--space-lg) var(--space-xl) var(--space-xl);
}

.modal-view.hidden {
    display: none;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.tag::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.tag-available {
    background: rgba(50, 215, 75, 0.15);
    color: var(--color-success);
}

.tag-available::before {
    background: var(--color-success);
}

.tag-owned {
    background: rgba(212, 168, 83, 0.15);
    color: var(--color-accent);
}

.tag-owned::before {
    background: var(--color-accent);
}

.modal-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.price-tag {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

.paypal-container {
    min-height: 200px; /* Give enough space */
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.login-prompt {
    text-align: center;
    padding: var(--space-lg);
}

.login-prompt p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.square-preview {
    aspect-ratio: 1;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    overflow: hidden;
}

.preview-placeholder {
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

.square-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
}

.upload-section {
    margin-bottom: var(--space-lg);
}

.upload-hint {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.upload-zone:hover {
    border-color: var(--color-accent);
    background: rgba(212, 168, 83, 0.05);
}

.upload-prompt {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-secondary);
    pointer-events: none;
}

.upload-prompt svg {
    color: var(--color-accent);
}

.upload-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.upload-preview img {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    image-rendering: pixelated;
    border: 2px solid var(--color-border);
}

.error-msg {
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: var(--space-sm);
}

.owner-info {
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.owner-info span {
    color: var(--color-text);
    font-weight: 500;
}

.form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.9375rem;
    transition: all 0.2s;
}

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

.form-hint {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.form-error {
    font-size: 0.75rem;
    color: var(--color-error);
}

.form-actions {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-sm);
}

.profile-page {
    background: var(--color-bg);
}

.profile-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3xl) var(--space-xl);
}

.profile-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    gap: var(--space-2xl);
    align-items: flex-start;
}

.profile-avatar-section {
    flex-shrink: 0;
}

.avatar-wrapper {
    position: relative;
    width: 120px;
    height: 120px;
}

.profile-avatar {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
    object-fit: cover;
    border: 3px solid var(--color-border);
}

.avatar-upload {
    position: absolute;
    bottom: -8px;
    right: -8px;
}

.avatar-upload.hidden {
    display: none;
}

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

.btn-upload:hover {
    background: var(--color-accent-hover);
    transform: scale(1.1);
}

.profile-info {
    flex: 1;
}

.profile-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.profile-name {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.profile-handle {
    color: var(--color-text-tertiary);
    font-family: var(--font-mono);
    font-size: 0.9375rem;
}

.status-badge {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-weight: 500;
}

.status-badge.online {
    background: rgba(50, 215, 75, 0.15);
    color: var(--color-success);
}

.status-badge.offline {
    background: var(--color-surface-elevated);
    color: var(--color-text-tertiary);
}

.profile-bio {
    color: var(--color-text-secondary);
    max-width: 480px;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.profile-stats {
    display: flex;
    gap: var(--space-2xl);
    margin-bottom: var(--space-lg);
}

.profile-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-number {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
}

.profile-actions.hidden {
    display: none;
}

.profile-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
}

.content-section {
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-lg);
    font-weight: 600;
}

.squares-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--space-md);
}

.square-thumb {
    aspect-ratio: 1;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.square-thumb:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent);
    box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.5);
}

.square-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    image-rendering: pixelated;
}

.square-thumb.empty {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.square-coords {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xs);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.625rem;
    font-family: var(--font-mono);
    text-align: center;
    opacity: 0;
    transition: opacity 0.2s;
}

.square-thumb:hover .square-coords {
    opacity: 1;
}

.empty-state {
    color: var(--color-text-tertiary);
    padding: var(--space-2xl);
    text-align: center;
    grid-column: 1 / -1;
}

.toast-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 500;
    animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    max-width: 320px;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
}

.toast.error {
    border-left-color: var(--color-error);
}

.toast.success {
    border-left-color: var(--color-success);
}

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

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .profile-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .profile-meta {
        justify-content: center;
    }

    .profile-stats {
        justify-content: center;
    }

    .grid-viewport {
        padding: var(--space-md);
    }
}

.page-header {
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.page-header p {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
}

.content-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
}

.about-grid {
    display: grid;
    gap: var(--space-xl);
}

.about-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.about-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-accent);
}

.about-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

#hcaptcha-container iframe {
    max-width: 100%;
}

/* PayPal button container */
#paypal-button-container {
    min-height: 45px;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Fix horizontal scroll glitch */
.modal-content {
    overflow-x: hidden;
}

/* Price tag spacing */
.price-tag {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
    margin-top: var(--space-md);
}

.purchase-flow {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    padding: var(--space-sm) 0;
}

/* Ensure buttons don't overlap */
#paypal-button-container:empty {
    display: none;
}

#paypal-button-container:not(:empty) {
    margin-top: var(--space-md);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}