/*
 * COWORK GALLERY — Styles
 * Zanskar brand design system.
 * Space Grotesk headings, DM Sans body, Courier Prime CTAs.
 */

/* ─── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;500;700&family=DM+Sans:ital,wght@0,400;0,500;0,700;1,400&family=Courier+Prime:wght@400;700&display=swap');

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

:root {
    /* Zanskar Primary Colors */
    --z-volcanic-earth:    #652712;
    --z-river-blue:        #82D1CA;
    --z-core-heat-red:     #C94223;
    --z-energy-gold:       #F2BB0A;

    /* Zanskar Neutral Colors */
    --z-clean-white:       #FCFCFC;
    --z-steam-gray:        #F2F1F0;
    --z-silt-gray:         #E2DDD9;
    --z-ash-gray:          #C6BCB5;
    --z-stone-gray:        #A09790;
    --z-shale-gray:        #685E58;
    --z-charcoal:          #3D3633;
    --z-obsidian:          #282320;

    /* Zanskar Accent Colors */
    --z-sulfur:            #EBE1AC;
    --z-copper:            #D19580;
    --z-rust:              #9B5729;
    --z-well-blue:         #27787F;
    --z-deep-blue:         #284F58;
    --z-lichen-green:      #B4BC8B;
    --z-sage-green:        #41513F;

    /* Semantic mapping */
    --color-bg:            var(--z-clean-white);
    --color-surface:       var(--z-clean-white);
    --color-border:        var(--z-silt-gray);
    --color-border-hover:  var(--z-ash-gray);
    --color-text:          var(--z-obsidian);
    --color-text-secondary: var(--z-shale-gray);
    --color-text-muted:    var(--z-stone-gray);
    --color-accent:        var(--z-core-heat-red);
    --color-accent-hover:  var(--z-volcanic-earth);
    --color-accent-subtle: #FAF0EC;
    --color-danger:        var(--z-core-heat-red);
    --color-danger-hover:  var(--z-volcanic-earth);
    --color-success:       var(--z-sage-green);
    --color-success-bg:    var(--z-steam-gray);

    /* Typography */
    --font-heading: 'Space Grotesk', system-ui, sans-serif;
    --font-body:    'DM Sans', system-ui, sans-serif;
    --font-mono:    'Courier Prime', 'Courier New', monospace;

    /* Spacing scale (8px grid) */
    --space-xs:  0.25rem;
    --space-sm:  0.5rem;
    --space-md:  1rem;
    --space-lg:  1.5rem;
    --space-xl:  2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Radii — brand uses minimal */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    /* Transitions */
    --transition: 250ms ease-in-out;
    --transition-fast: 150ms ease-in-out;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

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

h1, h2, h3 {
    font-family: var(--font-heading);
    line-height: 1.15;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}


/* ─── Eyebrow / Caption ────────────────────────────────────── */
.eyebrow,
.caption {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-secondary);
}


/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.625rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    line-height: 1;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.btn-primary {
    background: transparent;
    color: var(--z-volcanic-earth);
    border-color: var(--z-volcanic-earth);
}

.btn-primary:hover {
    background: var(--z-volcanic-earth);
    color: var(--z-clean-white);
}

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

.btn-outline:hover {
    border-color: var(--z-volcanic-earth);
    color: var(--z-volcanic-earth);
}

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

.btn-ghost:hover {
    color: var(--color-text);
    background: rgba(40, 35, 32, 0.04);
}

.btn-danger {
    background: transparent;
    color: var(--color-danger);
    border-color: transparent;
    font-size: 0.8rem;
    padding: 0.375rem 0.75rem;
}

.btn-danger:hover {
    background: #FEF2F2;
    border-color: var(--color-danger);
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-full {
    width: 100%;
}


/* ─── Forms ─────────────────────────────────────────────────── */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.form-group small {
    display: block;
    margin-top: var(--space-xs);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

input[type="text"],
input[type="password"],
input[type="date"] {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
    outline: none;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="date"]:focus {
    border-color: var(--z-volcanic-earth);
    box-shadow: 0 0 0 3px rgba(101, 39, 18, 0.08);
}

input[type="text"]::placeholder,
input[type="password"]::placeholder {
    color: var(--color-text-muted);
}

.form-row {
    display: flex;
    gap: var(--space-md);
}

.form-half {
    flex: 1;
    min-width: 0;
}

.form-error {
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    color: var(--color-danger);
    background: #FEF2F2;
    border: 1px solid var(--z-copper);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
}

.form-success {
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    color: var(--color-success);
    background: var(--color-success-bg);
    border: 1px solid var(--z-ash-gray);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
}

.form-success a,
.form-error a {
    font-weight: 600;
    text-decoration: underline;
    margin-left: 0.5rem;
}

.form-message {
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
}


/* ─── Splash Page ───────────────────────────────────────────── */
.splash-page {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(201, 66, 35, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(130, 209, 202, 0.04) 0%, transparent 50%),
        var(--color-bg);
}

.splash-container {
    width: 100%;
    max-width: 400px;
    padding: var(--space-xl);
}

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

.splash-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.splash-logo {
    color: var(--z-volcanic-earth);
}

.logo-circle {
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.splash-brand h1 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.splash-tagline {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.splash-form {
    text-align: left;
}

.splash-form .btn {
    width: 100%;
    margin-top: var(--space-sm);
}


/* ─── Header ────────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(252, 252, 252, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem var(--space-xl);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9375rem;
    letter-spacing: -0.01em;
}

.header-brand:hover {
    opacity: 0.8;
}

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

/* .logo-bg — removed; logo is now an image, not SVG */


/* ─── Gallery ───────────────────────────────────────────────── */
.gallery-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.project-card {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition);
}

.project-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: 0 4px 16px rgba(40, 35, 32, 0.08);
    transform: translateY(-2px);
}

.card-preview {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(135deg, var(--z-steam-gray) 0%, var(--z-silt-gray) 100%);
}

.card-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-preview-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.card-preview-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, transparent 40%, rgba(130, 209, 202, 0.08) 100%);
}

.card-type-badge {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    background: var(--color-surface);
    padding: 0.25rem 0.625rem;
    border-radius: 100px;
    position: relative;
    z-index: 1;
}

.card-info {
    padding: var(--space-md) var(--space-lg) var(--space-lg);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
    color: var(--color-text);
}

.card-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.card-meta time {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.card-meta-sep {
    color: var(--color-text-muted);
    font-size: 0.6875rem;
}

.card-updated {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.card-tags {
    display: flex;
    gap: 0.25rem;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    background: var(--z-steam-gray);
    padding: 0.125rem 0.5rem;
    border-radius: 100px;
}


/* ─── Empty State ───────────────────────────────────────────── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    color: var(--color-text-secondary);
}

.empty-icon {
    margin-bottom: var(--space-lg);
    color: var(--color-text-muted);
}

.empty-state h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 300;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.empty-state p {
    font-size: 0.875rem;
    margin-bottom: var(--space-xl);
}


/* ─── Viewer ────────────────────────────────────────────────── */
.viewer-page {
    background: var(--color-surface);
}

.viewer-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 0.5rem var(--space-lg);
    background: rgba(252, 252, 252, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: opacity 300ms ease-in-out, transform 300ms ease-in-out;
}

.viewer-back {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    padding: 0.375rem 0.625rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.viewer-back:hover {
    color: var(--z-volcanic-earth);
    background: rgba(101, 39, 18, 0.04);
}

.viewer-title {
    flex: 1;
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.viewer-actions {
    display: flex;
    gap: var(--space-xs);
}

.viewer-iframe {
    position: fixed;
    top: 45px;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: calc(100vh - 45px);
    border: none;
    background: var(--color-surface);
}

.viewer-content {
    margin-top: 45px;
    min-height: calc(100vh - 45px);
}


/* ─── Upload Page ───────────────────────────────────────────── */
.upload-main {
    max-width: 640px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
}

.upload-container h1 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-xs);
}

.upload-subtitle {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.upload-form {
    margin-bottom: var(--space-2xl);
}

/* File drop zone */
.file-drop-zone {
    position: relative;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
}

.file-drop-zone:hover,
.file-drop-zone.drag-over {
    border-color: var(--z-volcanic-earth);
    background: var(--color-accent-subtle);
}

.file-drop-zone input[type="file"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.drop-zone-content {
    color: var(--color-text-secondary);
}

.drop-zone-content svg {
    margin: 0 auto var(--space-sm);
    color: var(--color-text-muted);
}

.drop-zone-content p {
    font-size: 0.875rem;
    margin-bottom: var(--space-xs);
}

.drop-zone-content small {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.link-text {
    color: var(--z-core-heat-red);
    font-weight: 500;
}

.drop-zone-selected {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    justify-content: center;
}

.selected-file-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-accent-subtle);
    color: var(--z-core-heat-red);
    font-family: var(--font-mono);
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

.selected-file-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.selected-file-size {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}


/* ─── Thumbnail Upload ──────────────────────────────────────── */
.thumb-upload {
    position: relative;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition);
    cursor: pointer;
}

.thumb-upload:hover,
.thumb-upload.drag-over {
    border-color: var(--z-volcanic-earth);
}

.thumb-upload input[type="file"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.thumb-upload-content {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.625rem 0.875rem;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

.thumb-upload-content svg {
    flex-shrink: 0;
}

.thumb-upload-preview {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.375rem 0.625rem;
    background: var(--z-steam-gray);
}

.thumb-upload-preview img {
    width: 48px;
    height: 32px;
    object-fit: cover;
    border-radius: 3px;
    border: 1px solid var(--color-border);
}

.thumb-upload-preview span {
    flex: 1;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.thumb-remove {
    flex-shrink: 0;
    position: relative;
    z-index: 3;
    background: transparent;
    border: none;
    font-size: 1.125rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0.25rem 0.375rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    line-height: 1;
}

.thumb-remove:hover {
    color: var(--color-danger);
    background: rgba(201, 66, 35, 0.06);
}


/* ─── Upload Help Section ───────────────────────────────────── */
.upload-help {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.upload-help h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 300;
    margin-bottom: var(--space-lg);
}

.help-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.help-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.help-number {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--z-clean-white);
    background: var(--z-volcanic-earth);
    border-radius: 50%;
    margin-top: 2px;
}

.help-item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.125rem;
}

.help-item p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.help-item code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: var(--z-steam-gray);
    padding: 0.1em 0.4em;
    border-radius: 3px;
}


/* ─── Manage Section ────────────────────────────────────────── */
.manage-section {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-2xl);
}

.manage-section h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 300;
    margin-bottom: var(--space-lg);
}

.manage-list {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.manage-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem var(--space-md);
    background: var(--color-surface);
}

.manage-info strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
}

.manage-info small {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

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

.manage-item-wrap {
    background: var(--color-surface);
}

.manage-item-wrap + .manage-item-wrap {
    border-top: 1px solid var(--color-border);
}


/* ─── Edit Panel ────────────────────────────────────────────── */
.edit-panel {
    display: none;
    padding: var(--space-md) var(--space-lg);
    background: var(--z-steam-gray);
    border-top: 1px solid var(--color-border);
}

.edit-form .form-group {
    margin-bottom: var(--space-md);
}

.edit-form .form-group label {
    font-size: 0.75rem;
}

.edit-form input[type="text"],
.edit-form input[type="date"] {
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
}

.edit-actions {
    display: flex;
    gap: var(--space-sm);
    padding-top: var(--space-xs);
}

.edit-current-thumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.edit-current-thumb img {
    width: 60px;
    height: 40px;
    object-fit: cover;
    border-radius: 3px;
}

.edit-current-thumb span {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}


/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 640px) {
    .header-inner {
        padding: 0.75rem var(--space-md);
    }

    .gallery-main {
        padding: var(--space-lg) var(--space-md);
    }

    .project-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .upload-main {
        padding: var(--space-lg) var(--space-md);
    }

    .viewer-header {
        padding: 0.5rem var(--space-md);
    }

    .viewer-title {
        display: none;
    }

    .splash-brand h1 {
        font-size: 1.6rem;
    }

    .upload-container h1 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .splash-container {
        padding: var(--space-lg);
    }

    .manage-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .edit-panel {
        padding: var(--space-md);
    }
}