/* ============================================
   GARMENT STUDIO - BASE CSS
   Shared variables, reset, and common components
   ============================================ */

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

/* ============================================
   CSS VARIABLES - Dark Theme (Default)
   ============================================ */
:root {
    /* Background Colors */
    --bg-primary: #09090b;
    --bg-secondary: #0f0f12;
    --bg-tertiary: #18181b;
    --bg-card: #131316;
    --bg-card-hover: #1a1a1f;
    --bg-input: #1a1a1f;
    --bg-panel: #1a1a1a;

    /* Glass Effect Borders */
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-border-hover: rgba(255, 255, 255, 0.12);
    --glass-border-active: rgba(255, 255, 255, 0.2);
    --glass-border-light: rgba(255, 255, 255, 0.08);
    --glass-border-subtle: rgba(255, 255, 255, 0.05);

    /* Glass Tints */
    --glass-tint-1: rgba(255, 255, 255, 0.02);
    --glass-tint-2: rgba(255, 255, 255, 0.05);
    --glass-tint-3: rgba(255, 255, 255, 0.08);
    --glass-inset: rgba(255, 255, 255, 0.03);

    /* Text Colors */
    --text-primary: #fafafa;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --text-muted: rgba(255, 255, 255, 0.3);

    /* Accent Colors */
    --accent-green: #22c55e;
    --accent-green-dim: rgba(34, 197, 94, 0.15);
    --accent-blue: #3b82f6;
    --accent-blue-dim: rgba(59, 130, 246, 0.15);
    --accent-amber: #f59e0b;
    --accent-amber-dim: rgba(245, 158, 11, 0.15);
    --accent-purple: #a855f7;
    --accent-purple-dim: rgba(168, 85, 247, 0.15);
    --accent-red: #ef4444;
    --accent-red-dim: rgba(239, 68, 68, 0.15);

    /* Header Styles */
    --header-gradient: linear-gradient(180deg, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.85) 100%);
    --header-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);

    /* Tabs */
    --tabs-bg: rgba(0, 0, 0, 0.4);
    --tabs-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);

    /* Badge Overlay */
    --badge-overlay-bg: rgba(0, 0, 0, 0.7);

    /* Animation */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    /* Layout */
    --panel-width: 280px;
}

/* ============================================
   CSS VARIABLES - Light Theme
   ============================================ */
[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #f4f4f5;
    --bg-tertiary: #e4e4e7;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f8f8;
    --bg-input: #ffffff;
    --bg-panel: #f0f0f0;

    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-border-hover: rgba(0, 0, 0, 0.15);
    --glass-border-active: rgba(0, 0, 0, 0.25);
    --glass-border-light: rgba(0, 0, 0, 0.06);
    --glass-border-subtle: rgba(0, 0, 0, 0.04);

    --glass-tint-1: rgba(0, 0, 0, 0.02);
    --glass-tint-2: rgba(0, 0, 0, 0.04);
    --glass-tint-3: rgba(0, 0, 0, 0.06);
    --glass-inset: rgba(255, 255, 255, 0.5);

    --text-primary: #09090b;
    --text-secondary: rgba(0, 0, 0, 0.7);
    --text-tertiary: rgba(0, 0, 0, 0.5);
    --text-muted: rgba(0, 0, 0, 0.4);

    --header-gradient: linear-gradient(180deg, #e8e8e8 0%, #f0f0f0 100%);
    --header-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    --tabs-bg: rgba(0, 0, 0, 0.03);
    --tabs-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    --badge-overlay-bg: rgba(255, 255, 255, 0.9);
}

/* ============================================
   BODY & BASE STYLES
   ============================================ */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    height: 100vh;
    overflow: hidden;
}

/* Grid background pattern */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
    z-index: -1;
}

/* ============================================
   APP SHELL
   ============================================ */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* ============================================
   HEADER
   ============================================ */
.app-header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 24px;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--glass-border);
    flex-shrink: 0;
    z-index: 100;
}

.app-header__left {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-self: start;
}

.app-header__back {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.app-header__back:hover {
    border-color: var(--glass-border-hover);
    color: var(--text-primary);
}

.app-header__back svg { width: 18px; height: 18px; }

.app-header__info h1 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 2px;
}

.app-header__step {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.app-header__right {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-self: end;
}

/* ============================================
   STEP PROGRESS INDICATOR
   ============================================ */
.step-progress {
    display: flex;
    align-items: center;
    gap: 8px;
}

.step-progress__item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.step-progress__dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border: 2px solid var(--glass-border);
    transition: all 0.3s var(--ease-out);
}

.step-progress__dot.active {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.step-progress__dot.completed {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: white;
}

.step-progress__dot.completed svg { width: 14px; height: 14px; }

.step-progress__line {
    width: 40px;
    height: 2px;
    background: var(--glass-border);
}

.step-progress__line.completed { background: var(--accent-green); }

.step-progress__label {
    font-size: 11px;
    color: var(--text-muted);
    display: none;
}

@media (min-width: 900px) {
    .step-progress__label { display: block; }
}

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
    width: 40px;
    height: 40px;
    border: 1px solid var(--glass-border);
    background: var(--bg-card);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.theme-toggle:hover {
    border-color: var(--glass-border-hover);
    background: var(--bg-card-hover);
}

.theme-toggle svg { width: 18px; height: 18px; color: var(--text-secondary); }

.theme-icon--sun { display: none; }
.theme-icon--moon { display: block; }
[data-theme="dark"] .theme-icon--sun { display: block; }
[data-theme="dark"] .theme-icon--moon { display: none; }

/* ============================================
   EXIT BUTTON
   ============================================ */
.btn-exit {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 10px;
    color: #ef4444;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-exit:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
}

.btn-exit svg { width: 16px; height: 16px; }

/* ============================================
   3-PANEL LAYOUT
   ============================================ */
.app-body {
    flex: 1;
    display: grid;
    grid-template-columns: var(--panel-width) 1fr var(--panel-width);
    overflow: hidden;
}

/* Left Panel */
.panel-left {
    background: var(--bg-panel);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Right Panel */
.panel-right {
    background: var(--bg-panel);
    border-left: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-right__scroll {
    flex: 1;
    overflow-y: auto;
}

/* Center Workspace */
.workspace {
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ============================================
   PANEL HEADER
   ============================================ */
.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--glass-border-light);
    height: 50px;
    box-sizing: border-box;
    background: var(--header-gradient);
    box-shadow: var(--header-shadow), inset 0 1px 0 var(--glass-inset);
    position: relative;
    z-index: 5;
}

.panel-header__title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.panel-header__badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
}

.panel-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-section__list {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.panel-divider {
    height: 1px;
    background: var(--glass-border);
    margin: 0 12px;
}

/* ============================================
   WORKSPACE HEADER
   ============================================ */
.workspace-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--glass-border-light);
    background: var(--header-gradient);
    box-shadow: var(--header-shadow), inset 0 1px 0 var(--glass-inset);
    height: 50px;
    box-sizing: border-box;
    flex-shrink: 0;
    position: relative;
    z-index: 5;
}

.workspace-header__title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.workspace-header__step {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ============================================
   STEP PILLS
   ============================================ */
.step-pill {
    padding: 6px 14px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 11px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.step-pill:hover {
    border-color: var(--glass-border-hover);
}

.step-pill.active {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.step-pill.completed {
    background: var(--accent-green-dim);
    color: var(--accent-green);
    border-color: var(--accent-green);
}

/* ============================================
   WORKSPACE CONTENT
   ============================================ */
.workspace-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.workspace-content.color-active {
    padding: 0;
    overflow: hidden;
}

/* ============================================
   STATE CONTAINERS
   ============================================ */
.state-container {
    display: none;
    animation: fadeIn 0.3s var(--ease-out);
}

.state-container.active {
    display: block;
}

.state-container#state-color.active {
    display: flex;
    height: 100%;
}

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

/* ============================================
   BUTTONS - Generic
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
}

.btn svg { width: 16px; height: 16px; }

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

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.btn--primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

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

.btn--secondary:hover,
.btn--ghost:hover {
    background: var(--bg-card);
    border-color: var(--glass-border-hover);
}

/* Action Buttons (for color studio) */
.btn-action {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-action:hover {
    border-color: var(--glass-border-hover);
    color: var(--text-primary);
}

.btn-action--primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.btn-action--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-action--primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-action svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
    margin-bottom: 14px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.form-label--required {
    color: #ef4444;
}

.required-star {
    color: #ef4444;
    font-weight: 700;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--text-primary);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
}

.form-textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    resize: vertical;
    min-height: 80px;
    transition: all 0.2s;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--text-primary);
}

/* ============================================
   INFO BOX
   ============================================ */
.info-box {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    background: var(--accent-amber-dim);
    border-radius: 10px;
    margin-bottom: 20px;
}

.info-box--blue {
    background: var(--accent-blue-dim);
}

.info-box--green {
    background: var(--accent-green-dim);
}

.info-box__icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--accent-amber);
}

.info-box--blue .info-box__icon {
    color: var(--accent-blue);
}

.info-box--green .info-box__icon {
    color: var(--accent-green);
}

.info-box__text {
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.info-box__text strong {
    color: var(--accent-amber);
}

.info-box--blue .info-box__text strong {
    color: var(--accent-blue);
}

.info-box--green .info-box__text strong {
    color: var(--accent-green);
}

/* ============================================
   SUMMARY CARD
   ============================================ */
.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 14px;
    margin-top: 14px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--glass-border);
}

.summary-row:last-child {
    border-bottom: none;
}

.summary-label {
    font-size: 12px;
    color: var(--text-muted);
}

.summary-value {
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ============================================
   DETAILS SECTION (Right Panel)
   ============================================ */
.details-section {
    padding: 16px;
    border-bottom: 1px solid var(--glass-border);
}

.details-section__title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 14px;
}

/* ============================================
   ACTION ROW
   ============================================ */
.action-row {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

/* ============================================
   FOOTER
   ============================================ */
.app-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--bg-panel);
    border-top: 1px solid var(--glass-border);
    flex-shrink: 0;
}

.app-footer__left {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.app-footer__left svg {
    width: 14px;
    height: 14px;
    color: var(--accent-green);
}

.app-footer__center {
    font-size: 13px;
    color: var(--text-secondary);
}

.app-footer__center strong {
    color: var(--text-primary);
}

/* ============================================
   COLOR SWATCH (Generic)
   ============================================ */
.color-swatch {
    width: 14px;
    height: 14px;
    border-radius: 4px;
    border: 1px solid var(--glass-border);
}

/* ============================================
   DEV NOTE (for development notices)
   ============================================ */
.dev-note {
    display: flex;
    gap: 10px;
    padding: 12px 14px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 8px;
    margin-bottom: 16px;
}

.dev-note__icon {
    flex-shrink: 0;
    color: #ef4444;
}

.dev-note__text {
    font-size: 11px;
    color: #ef4444;
}

/* ============================================
   PANEL ACTIONS (Right Panel Buttons)
   ============================================ */
.panel-actions {
    display: flex;
    gap: 8px;
    margin-top: 14px;
}

.btn-panel-action {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-panel-action:hover {
    border-color: var(--glass-border-hover);
    color: var(--text-primary);
}

.btn-panel-action--danger:hover {
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.btn-panel-action svg { width: 14px; height: 14px; }

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary { color: var(--text-primary); }
.text-green { color: var(--accent-green); }
.text-blue { color: var(--accent-blue); }
.text-amber { color: var(--accent-amber); }
.text-red { color: var(--accent-red); }

.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 24px; }

/* ============================================
   SCROLLBAR STYLING
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--glass-border-hover);
}