/**
 * Stylesheet: passport-visa-id-photo-maker.css
 * Tool 20: Passport, Visa & ID Photo Maker (+ 4x6" Printable Sheet)
 * Strict 2-Column Desktop / 1-Column Mobile UI Layout
 *
 * @package MetaoFly
 */

/* ============================================================
   1. ROOT CONTAINER & HEADER BANNER
   ============================================================ */
.pip-workspace {
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: var(--space-4) 0 var(--space-12);
}

.pip-header-banner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
    padding: var(--space-6);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(56, 189, 248, 0.04) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-xl);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

.pip-header-left {
    max-width: 820px;
}

.pip-badge-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: var(--space-2);
}

.pip-studio-title {
    font-size: clamp(1.6rem, 2.8vw, 2.2rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.25;
    margin: 0 0 var(--space-2);
}

.pip-title-gradient {
    background: linear-gradient(135deg, #34d399 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pip-studio-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin: 0;
}

.pip-quick-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pip-pill-stat {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.pip-pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px currentColor;
}

/* ============================================================
   2. UPLOAD DROPZONE STAGE
   ============================================================ */
.pip-upload-stage {
    margin-bottom: var(--space-8);
}

.pip-dropzone {
    position: relative;
    padding: var(--space-12) var(--space-6);
    background: radial-gradient(circle at center, rgba(16, 185, 129, 0.05) 0%, rgba(15, 23, 42, 0.6) 100%);
    border: 2px dashed rgba(16, 185, 129, 0.35);
    border-radius: var(--radius-2xl);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.pip-dropzone:hover,
.pip-dropzone.dragover {
    border-color: #10b981;
    background: radial-gradient(circle at center, rgba(16, 185, 129, 0.12) 0%, rgba(15, 23, 42, 0.8) 100%);
    box-shadow: 0 0 35px rgba(16, 185, 129, 0.25);
    transform: translateY(-2px);
}

.pip-hidden-file-input {
    display: none;
}

.pip-drop-icon-wrap {
    position: relative;
    width: 84px;
    height: 84px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.pip-glow-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.4) 0%, transparent 70%);
    animation: pipPulse 3s infinite ease-in-out;
}

@keyframes pipPulse {
    0%, 100% { transform: scale(0.95); opacity: 0.5; }
    50% { transform: scale(1.15); opacity: 0.85; }
}

.pip-drop-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-2);
}

.pip-drop-desc {
    max-width: 600px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 var(--space-6);
}

.pip-drop-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.pip-btn-browse {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    padding: 12px 28px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.pip-btn-browse:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}

.pip-btn-sample {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    transition: all 0.2s;
}

.pip-btn-sample:hover {
    background: rgba(51, 65, 85, 0.9);
    border-color: rgba(16, 185, 129, 0.4);
}

.pip-drop-features {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
    font-size: 0.82rem;
    color: var(--text-tertiary);
}

.pip-drop-features span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ============================================================
   3. STUDIO TOP TOOLBAR
   ============================================================ */
.pip-top-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.pip-toolbar-file {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.pip-file-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}

.pip-res-pill {
    font-size: 0.8rem;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.25);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.pip-toolbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pip-btn-small {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.pip-btn-small:hover {
    background: rgba(51, 65, 85, 0.9);
    border-color: rgba(16, 185, 129, 0.3);
}

/* ============================================================
   4. STRICT 2-COLUMN DESKTOP / 1-COLUMN MOBILE GRID
   ============================================================ */
.pip-grid-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(360px, 440px);
    gap: 28px;
    align-items: start;
}

@media (max-width: 1024px) {
    .pip-grid-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Common Card Styles */
.pip-card {
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    margin-bottom: var(--space-4);
}

.pip-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.pip-step-tag {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #34d399;
}

.pip-header-tip {
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.pip-dpi-badge {
    font-size: 0.75rem;
    font-weight: 600;
    color: #10b981;
    background: rgba(16, 185, 129, 0.15);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

/* View Mode Switcher Buttons */
.pip-view-modes {
    display: flex;
    gap: 6px;
}

.pip-mode-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: var(--radius-md);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.pip-mode-btn.active {
    background: rgba(16, 185, 129, 0.2);
    border-color: #10b981;
    color: #34d399;
}

/* ============================================================
   5. COLUMN 1: LIVE BIOMETRIC CANVAS VIEWPORT
   ============================================================ */
.pip-stage-column {
    position: relative;
}

@media (min-width: 1025px) {
    .pip-stage-column {
        position: sticky;
        top: 90px;
        align-self: start;
        z-index: 10;
    }
}

.pip-stage-card {
    padding: var(--space-4);
    position: relative;
}

.pip-viewport-container {
    position: relative;
    width: 100%;
    min-height: 440px;
    max-height: 640px;
    background: #090d16;
    border-radius: var(--radius-lg);
    overflow: hidden;
    -webkit-user-select: none;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 25px rgba(0, 0, 0, 0.7);
    padding: 20px;
}

.pip-canvas-wrapper {
    position: relative;
    display: inline-block;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.pip-preview-canvas {
    max-width: 100%;
    max-height: 520px;
    display: block;
    cursor: move;
}

/* Biometric SVG Guide Overlay */
.pip-biometric-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

/* 4x6" Sheet Wrapper */
.pip-sheet-wrapper {
    position: relative;
    max-width: 100%;
    max-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pip-sheet-canvas {
    max-width: 100%;
    max-height: 520px;
    object-fit: contain;
    display: block;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.pip-stage-footer {
    margin-top: var(--space-3);
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.pip-footer-hint {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    line-height: 1.4;
}

.pip-trust-banner {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    line-height: 1.45;
    color: var(--text-secondary);
}

.pip-trust-text strong {
    color: #10b981;
}

/* ============================================================
   6. COLUMN 2: CONTROLS & CALIBRATION
   ============================================================ */
.pip-control-card {
    margin-bottom: var(--space-4);
}

.pip-btn-link {
    background: none;
    border: none;
    color: #34d399;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
}

.pip-btn-link:hover {
    text-decoration: underline;
}

/* Preset Grid */
.pip-preset-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.pip-preset-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 10px 12px;
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.pip-preset-btn:hover {
    background: rgba(51, 65, 85, 0.85);
    border-color: rgba(16, 185, 129, 0.4);
}

.pip-preset-btn.active {
    background: rgba(16, 185, 129, 0.18);
    border-color: #10b981;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.35);
}

.pip-preset-name {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
}

.pip-preset-btn.active .pip-preset-name {
    color: #34d399;
}

.pip-preset-dim {
    font-size: 0.75rem;
    color: #38bdf8;
    font-weight: 600;
}

.pip-preset-res {
    font-size: 0.68rem;
    color: var(--text-tertiary);
}

/* Custom Size Row */
.pip-custom-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.pip-field-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.pip-field-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.pip-num-input {
    width: 100%;
    padding: 7px 8px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.82rem;
}

.pip-btn-apply {
    padding: 7px 12px;
    font-size: 0.8rem;
    border-radius: var(--radius-md);
    cursor: pointer;
}

/* Sliders */
.pip-slider-group {
    margin-bottom: var(--space-3);
}

.pip-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 0.84rem;
}

.pip-slider-header label {
    font-weight: 600;
    color: var(--text-primary);
}

.pip-slider-val {
    font-weight: 700;
    color: #38bdf8;
    font-size: 0.82rem;
}

.pip-range {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    -webkit-appearance: none;
}

.pip-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #10b981;
    border: 2px solid #fff;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
}

.pip-range::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #10b981;
    border: 2px solid #fff;
    cursor: pointer;
}

.pip-slider-hint {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    line-height: 1.35;
    display: block;
    margin-top: 4px;
}

/* Background Color Choices */
.pip-bg-options {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pip-bg-choice {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.pip-bg-choice:hover {
    background: rgba(51, 65, 85, 0.75);
    border-color: rgba(16, 185, 129, 0.35);
}

.pip-bg-choice.active {
    background: rgba(16, 185, 129, 0.15);
    border-color: #10b981;
}

.pip-color-preview {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    flex-shrink: 0;
}

.pip-bg-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.pip-bg-spec {
    font-size: 0.72rem;
    color: var(--text-tertiary);
}

/* Export Sections */
.pip-export-heading {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-3);
}

.pip-divider-line {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: var(--space-4) 0;
}

.pip-select {
    width: 100%;
    padding: 9px 12px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.82rem;
    outline: none;
    margin-bottom: 10px;
}

.pip-toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pip-toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
}

.pip-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #10b981;
}

.pip-btn-full {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 20px;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.pip-btn-download {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.pip-btn-download:hover {
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
    transform: translateY(-1px);
}

.pip-btn-sheet {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #fff;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.pip-btn-sheet:hover {
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
    transform: translateY(-1px);
}

/* ══════════════════════════════════════════════════════════
   STICKY PREVIEW STAGE
   ══════════════════════════════════════════════════════════ */
@media (min-width: 1025px) {
    .pip-stage-card {
        position: sticky;
        top: 24px;
        align-self: start;
    }
}

/* ══════════════════════════════════════════════════════════
   BACKGROUND DETECTION MODAL STYLES
   ══════════════════════════════════════════════════════════ */
.pip-bg-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(3, 7, 18, 0.75);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    padding: 20px;
}

.pip-bg-modal-card {
    background: #0f172a;
    border: 1px solid rgba(244, 63, 94, 0.35);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(244, 63, 94, 0.15);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 520px;
    padding: 24px;
    animation: pipModalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.pip-bg-modal-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 14px;
    position: relative;
}

.pip-bg-modal-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(244, 63, 94, 0.15);
    border: 1px solid rgba(244, 63, 94, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pip-bg-modal-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 4px 0;
}

.pip-bg-modal-subtitle {
    font-size: 0.85rem;
    color: #94a3b8;
    line-height: 1.45;
    margin: 0;
}

.pip-bg-modal-close {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: color 0.15s;
}

.pip-bg-modal-close:hover {
    color: #ffffff;
}

.pip-bg-modal-body {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    margin-bottom: 20px;
    font-size: 0.88rem;
    color: #cbd5e1;
    line-height: 1.55;
}

.pip-bg-modal-body p {
    margin: 0;
}

.pip-bg-modal-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pip-modal-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    font-size: 0.92rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer;
}

.pip-modal-btn-remove {
    background: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
    color: #fff;
    border: none;
    box-shadow: 0 4px 14px rgba(244, 63, 94, 0.35);
}

.pip-modal-btn-remove:hover {
    background: linear-gradient(135deg, #fb7185 0%, #f43f5e 100%);
    transform: translateY(-1px);
}