/* ==========================================================================
   qr.prinpreajma.ro — originZero.Art v2.0 Architectural Stylesheet
   Zero border-radius · 100% Static Vector QR & Table Tent Studio
   ========================================================================== */

:root {
    --bg-primary: #0A0C10;
    --bg-secondary: #11141B;
    --bg-tertiary: #171B24;
    --bg-elevated: #1E2330;
    --text-primary: #F3F5F8;
    --text-secondary: #9BA3B4;
    --text-muted: #646E82;
    --border-color: #252B39;
    --border-strong: #384154;
    --accent-primary: #06B6D4;
    --accent-secondary: #EA4414;
    --accent-soft: rgba(6, 182, 212, 0.14);
    --success: #10B981;
    --success-soft: rgba(16, 185, 129, 0.14);
    --warning: #F59E0B;
    --danger: #EF4444;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="light"] {
    --bg-primary: #F5F4F0;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #ECEAE3;
    --bg-elevated: #E2DFD6;
    --text-primary: #0F1218;
    --text-secondary: #485060;
    --text-muted: #747D90;
    --border-color: #D4D0C7;
    --border-strong: #9E998E;
    --accent-primary: #0891B2;
    --accent-secondary: #D93B0E;
    --accent-soft: rgba(8, 145, 178, 0.10);
    --success: #059669;
    --success-soft: rgba(5, 150, 105, 0.11);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border-radius: 0px !important;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: 32px 32px;
}

[data-theme="light"] body {
    background-image:
        linear-gradient(to right, rgba(0, 0, 0, 0.025) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.025) 1px, transparent 1px);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.brand-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-mark {
    width: 36px;
    height: 36px;
    background: var(--bg-primary);
    border: 1px solid var(--accent-primary);
    display: grid;
    place-items: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--accent-primary);
}

.brand-titles {
    display: flex;
    flex-direction: column;
}

.brand-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-primary);
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.3rem 0.65rem;
    background: var(--success-soft);
    border: 1px solid var(--success);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--success);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.status-dot {
    width: 7px;
    height: 7px;
    background: var(--success);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.nav-btn, .theme-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.48rem 0.85rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.nav-btn:hover, .theme-btn:hover {
    border-color: var(--accent-primary);
    background: var(--bg-elevated);
}

/* Hero Strip */
.hero-strip {
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.hero-inner {
    max-width: 1480px;
    margin: 0 auto;
    padding: 1.65rem 1.5rem;
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 2rem;
    align-items: center;
}

.eyebrow-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.65rem;
    background: var(--accent-soft);
    border-left: 3px solid var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.7rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(1.45rem, 2.4vw, 2.15rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 0.55rem;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 0.94rem;
    line-height: 1.55;
    max-width: 68ch;
}

.hero-guarantees {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.guarantee-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 0.85rem 1rem;
}

.guarantee-val {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-primary);
    display: block;
}

.guarantee-lbl {
    font-size: 0.76rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    display: block;
}

/* Main Studio Grid */
.studio-main {
    max-width: 1480px;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem;
    display: grid;
    grid-template-columns: 520px 1fr;
    gap: 1.5rem;
    flex: 1;
    align-items: start;
}

.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.panel-header {
    padding: 0.9rem 1.15rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-tertiary);
    gap: 0.75rem;
    flex-wrap: wrap;
}

.panel-title {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-primary);
}

.panel-badge {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 0.18rem 0.48rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
}

.panel-body {
    padding: 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 1.1rem;
    border-bottom: 1px solid var(--border-color);
}

.control-group:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.control-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.control-val {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--accent-primary);
    font-weight: 600;
}

/* Template Selector Grid */
.template-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.45rem;
}

.tpl-btn {
    padding: 0.6rem 0.55rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
}

.tpl-btn:hover {
    border-color: var(--border-strong);
    background: var(--bg-elevated);
}

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

.tpl-icon {
    font-size: 1rem;
    margin-bottom: 0.1rem;
}

.tpl-name {
    font-size: 0.76rem;
    font-weight: 600;
}

.tpl-desc {
    font-family: var(--font-mono);
    font-size: 0.64rem;
    color: var(--text-secondary);
}

/* Form Inputs */
.field-stack {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
}

.field-box {
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
}

.field-box label {
    font-family: var(--font-mono);
    font-size: 0.67rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.text-input, .select-input, .textarea-input {
    width: 100%;
    padding: 0.55rem 0.7rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.textarea-input {
    resize: vertical;
    min-height: 62px;
}

.text-input:focus, .select-input:focus, .textarea-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Option Button Strips */
.opt-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
}

.opt-strip-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.4rem;
}

.opt-btn {
    padding: 0.5rem 0.4rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
}

.opt-btn:hover {
    border-color: var(--border-strong);
}

.opt-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #041014;
}

/* Color Pickers & Contrast Validator */
.color-swatches {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.swatch-chip {
    padding: 0.35rem 0.6rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.swatch-chip:hover {
    border-color: var(--accent-primary);
}

.swatch-dot {
    width: 12px;
    height: 12px;
    border: 1px solid rgba(255,255,255,0.25);
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.color-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 0.45rem;
}

.color-field label {
    font-family: var(--font-mono);
    font-size: 0.64rem;
    color: var(--text-secondary);
}

.color-picker-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.color-picker-row input[type="color"] {
    width: 28px;
    height: 26px;
    border: 1px solid var(--border-strong);
    background: none;
    cursor: pointer;
    padding: 0;
}

.color-hex {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-primary);
}

.contrast-banner {
    padding: 0.55rem 0.75rem;
    background: var(--success-soft);
    border: 1px solid var(--success);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.contrast-banner.warn {
    background: rgba(245, 158, 11, 0.14);
    border-color: var(--warning);
    color: var(--warning);
}

.contrast-banner.bad {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--danger);
    color: var(--danger);
}

/* Right Preview Column */
.preview-col {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: sticky;
    top: 4.5rem;
}

.stage-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.view-mode-tabs {
    display: flex;
    gap: 0.4rem;
}

.mode-tab {
    padding: 0.45rem 0.85rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 600;
    cursor: pointer;
}

.mode-tab.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #041014;
}

.qr-stage-viewport {
    min-height: 520px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #0D1016;
    background-image:
        linear-gradient(45deg, #151A24 25%, transparent 25%),
        linear-gradient(-45deg, #151A24 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #151A24 75%),
        linear-gradient(-45deg, transparent 75%, #151A24 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    position: relative;
}

/* Vector QR Holder */
.qr-vector-frame {
    background: #FFFFFF;
    padding: 18px;
    border: 2px solid var(--border-strong);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 380px;
    width: 100%;
    aspect-ratio: 1 / 1;
}

.qr-vector-frame svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Table Tent (Plăcuță de Masă / Vitrină) Preview */
.table-tent-frame {
    width: 100%;
    max-width: 400px;
    background: #FFFFFF;
    color: #0A0C10;
    border: 2px solid #0A0C10;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.tent-top-bar {
    background: #0A0C10;
    color: #FFFFFF;
    padding: 0.65rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 4px solid #EA4414;
}

.tent-body {
    padding: 1.35rem 1.5rem 1.15rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.85rem;
}

.tent-headline {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.15;
    color: #0A0C10;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.tent-qr-box {
    width: 250px;
    height: 250px;
    padding: 10px;
    border: 2px solid #0A0C10;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tent-qr-box svg {
    width: 100%;
    height: 100%;
    display: block;
}

.tent-subline {
    font-size: 0.84rem;
    font-weight: 500;
    color: #374151;
    line-height: 1.4;
    max-width: 32ch;
}

.tent-footer {
    background: #F3F4F6;
    border-top: 1px solid #D1D5DB;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.66rem;
    color: #4B5563;
}

/* Payload Readout Bar */
.payload-bar {
    padding: 0.75rem 1.15rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.payload-code {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 460px;
}

/* Export Buttons Grid */
.export-grid {
    padding: 1.15rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.72rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    cursor: pointer;
    border: 1px solid var(--border-strong);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transition: all 0.15s ease;
    text-decoration: none;
}

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

.btn-primary {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #041014;
}

.btn-primary:hover {
    background: #0891B2;
    border-color: #0891B2;
    color: #FFFFFF;
}

.btn-accent {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    color: #FFFFFF;
}

.btn-accent:hover {
    background: #d1380c;
}

/* Telemetry Strip under QR */
.qr-specs-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.qr-spec-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.8rem 0.95rem;
}

.qr-spec-lbl {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    display: block;
}

.qr-spec-val {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.2rem;
    display: block;
}

/* Bottom Info Section */
.specs-section {
    max-width: 1480px;
    width: 100%;
    margin: 0.5rem auto 2.5rem;
    padding: 0 1.5rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.spec-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
}

.spec-num {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent-primary);
    font-weight: 700;
    margin-bottom: 0.45rem;
    display: block;
}

.spec-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.45rem;
}

.spec-desc {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* Footer */
.site-footer {
    margin-top: auto;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
}

.footer-inner {
    max-width: 1480px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.footer-link {
    color: var(--text-primary);
    text-decoration: underline;
    text-decoration-color: var(--accent-primary);
    text-underline-offset: 3px;
}

@media print {
    .site-header, .hero-strip, .panel, .payload-bar, .export-grid, .qr-specs-strip, .specs-section, .site-footer, .panel-header {
        display: none !important;
    }
    body, .studio-main, .preview-col, .stage-card, .qr-stage-viewport {
        background: #FFFFFF !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
    }
    .table-tent-frame, .qr-vector-frame {
        box-shadow: none !important;
        margin: 1cm auto !important;
    }
}

@media (max-width: 1120px) {
    .hero-inner {
        grid-template-columns: 1fr;
    }
    .studio-main {
        grid-template-columns: 1fr;
    }
    .preview-col {
        position: static;
    }
    .specs-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .template-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .qr-specs-strip, .export-grid, .hero-guarantees {
        grid-template-columns: 1fr;
    }
}