/**
 * Wizard v2 Stylesheet — Dark Theme
 * Matches v1 PowerSolver dark color scheme.
 * Layout structure remains v2 (header → steps → content → footer).
 */

:root {
    /* Primary palette (from v1) */
    --wizard-primary: #6366f1;
    --wizard-primary-dark: #4f46e5;
    --wizard-secondary: #8b5cf6;
    --wizard-accent: #06b6d4;
    --wizard-primary-light: rgba(99, 102, 241, 0.15);

    /* Status colors */
    --wizard-success: #10b981;
    --wizard-warning: #f59e0b;
    --wizard-danger: #ef4444;

    /* Dark backgrounds */
    --wizard-bg: #05050a;
    --wizard-bg-subtle: #0d0d16;
    --wizard-surface: rgba(17, 17, 27, 0.92);
    --wizard-surface-hover: rgba(30, 32, 45, 0.95);

    /* Borders */
    --wizard-border: rgba(255, 255, 255, 0.08);
    --wizard-border-hover: rgba(255, 255, 255, 0.25);

    /* Text */
    --wizard-text: #ffffff;
    --wizard-text-secondary: #c7c9d9;
    --wizard-text-muted: #b8bcc8;

    /* Bootstrap overrides for dark mode */
    --bs-body-bg: #05050a;
    --bs-body-color: #ffffff;
    --bs-secondary-color: rgba(255, 255, 255, 0.65);
    --bs-body-secondary-color: rgba(255, 255, 255, 0.65);
    --bs-border-color: rgba(255, 255, 255, 0.08);
    --bs-tertiary-bg: rgba(17, 17, 27, 0.92);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background:
        radial-gradient(circle at top, rgba(99, 102, 241, 0.15), transparent),
        radial-gradient(circle at bottom, rgba(6, 182, 212, 0.12), transparent),
        var(--wizard-bg);
    color: var(--wizard-text);
    min-height: 100vh;
}

/* ============================================================
   Header
   ============================================================ */
.wizard-header {
    background: var(--wizard-surface);
    border-bottom: 1px solid var(--wizard-border);
}

.wizard-header h4,
.wizard-header h5 {
    color: var(--wizard-text);
}

/* ============================================================
   Step Indicator
   ============================================================ */
.wizard-step-indicator {
    background: var(--wizard-surface);
    border-bottom: 1px solid var(--wizard-border);
}

.step-indicator-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    user-select: none;
}

.step-indicator-item .step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.1);
    color: var(--wizard-text-muted);
}

.step-indicator-item .step-label {
    font-size: 0.85rem;
    color: var(--wizard-text-muted);
}

.step-indicator-item.active .step-number {
    background: linear-gradient(135deg, var(--wizard-primary), var(--wizard-accent));
    color: #fff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.step-indicator-item.active .step-label {
    color: #fff;
    font-weight: 600;
}

.step-indicator-item.completed .step-number {
    background: var(--wizard-success);
    color: #fff;
}

.step-indicator-item.completed .step-label {
    color: var(--wizard-success);
}

.step-indicator-item.disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.step-indicator-item:hover:not(.active):not(.disabled) .step-label {
    color: var(--wizard-text);
}

/* ============================================================
   Footer (Nav Buttons)
   ============================================================ */
.wizard-footer {
    background: var(--wizard-surface);
    border-top: 1px solid var(--wizard-border);
    position: sticky;
    bottom: 0;
}

/* ============================================================
   Problem Type Cards (Step 1)
   ============================================================ */
.problem-type-card {
    transition: all 0.2s ease;
    border: 2px solid var(--wizard-border);
    background: var(--wizard-surface);
    color: var(--wizard-text);
}

.problem-type-card:hover {
    border-color: var(--wizard-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.2);
}

.problem-type-card.border-primary {
    border-color: var(--wizard-primary) !important;
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.25);
}

.cursor-pointer {
    cursor: pointer;
}

/* ============================================================
   Card Grid (Steps 2-4)
   ============================================================ */
.card-grid-header h6 {
    font-weight: 600;
    color: var(--wizard-text);
}

.card-grid-item {
    transition: border-color 0.2s ease;
    background: var(--wizard-surface);
    border-color: var(--wizard-border);
}

.card-grid-item:hover {
    border-color: var(--wizard-primary);
}

/* ============================================================
   Field Groups
   ============================================================ */
.field-group {
    min-width: 80px;
}

.field-group .form-label {
    margin-bottom: 0.25rem;
    font-weight: 500;
    color: var(--wizard-text-secondary);
}

/* ============================================================
   Form Controls — Dark Mode
   ============================================================ */
.form-control,
.form-select {
    background-color: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--wizard-border);
    color: var(--wizard-text);
}

.form-control:focus,
.form-select:focus {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--wizard-accent);
    color: var(--wizard-text);
    box-shadow: 0 0 0 0.2rem rgba(6, 182, 212, 0.25);
}

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

.form-control:disabled,
.form-select:disabled {
    background-color: rgba(0, 0, 0, 0.15);
    color: var(--wizard-text-muted);
    opacity: 0.7;
}

/* Native <option> elements in dropdowns — browsers render these
   with a white background, so text must be dark to remain readable. */
.form-select option {
    background-color: #1e293b;
    color: #e2e8f0;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-action {
    padding: 0.2rem 0.4rem;
    font-size: 0.75rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--wizard-primary), var(--wizard-secondary));
    border: none;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(99, 102, 241, 0.4);
}

.btn-outline-secondary {
    border-color: var(--wizard-border-hover);
    color: var(--wizard-text-secondary);
}

.btn-outline-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--wizard-text-muted);
    color: var(--wizard-text);
}

/* ============================================================
   Bootstrap Component Overrides — Dark Mode
   ============================================================ */

/* Cards */
.card {
    background: var(--wizard-surface);
    border-color: var(--wizard-border);
    color: var(--wizard-text);
}

.card-header {
    background: rgba(255, 255, 255, 0.04);
    border-bottom-color: var(--wizard-border);
}

/* Alerts */
.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

/* Badges — keep Bootstrap defaults but ensure readability */
.badge.bg-danger { background-color: var(--wizard-danger) !important; }
.badge.bg-warning { background-color: var(--wizard-warning) !important; color: #000 !important; }
.badge.bg-success { background-color: var(--wizard-success) !important; }
.badge.bg-secondary {
    background-color: rgba(255, 255, 255, 0.12) !important;
    color: var(--wizard-text-secondary) !important;
}
.badge.bg-info {
    background-color: rgba(6, 182, 212, 0.2) !important;
    color: var(--wizard-accent) !important;
}

/* Text utilities */
.text-muted {
    color: var(--wizard-text-muted) !important;
}

.text-secondary {
    color: var(--wizard-text-secondary) !important;
}

/* ============================================================
   Variable Count Cards (Step 3 Zone 1)
   ============================================================ */
.variable-count-card {
    transition: all 0.2s ease;
    background: var(--wizard-surface);
    border-color: var(--wizard-border);
}

.variable-count-card:hover {
    border-color: var(--wizard-primary) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.15);
}

/* Variable Config Strip (Step 3 Zone 2) */
.variable-config-row {
    transition: border-color 0.2s ease;
    background: var(--wizard-surface);
}

.variable-config-row:hover {
    border-color: var(--wizard-primary) !important;
}

/* ============================================================
   Constraint Cards (Step 4)
   ============================================================ */
.constraint-card {
    background: var(--wizard-surface);
    border: 1px solid var(--wizard-border);
    border-radius: 0.5rem;
}

.constraint-card:hover {
    border-color: var(--wizard-border-hover);
}

/* Quick-add buttons (Step 4 Zone 1) */
.btn-outline-primary {
    border-color: rgba(99, 102, 241, 0.4);
    color: var(--wizard-primary);
}

.btn-outline-primary:hover {
    background: var(--wizard-primary);
    border-color: var(--wizard-primary);
    color: #fff;
}

.btn-outline-primary:disabled {
    border-color: rgba(255, 255, 255, 0.06);
    color: var(--wizard-text-muted);
    opacity: 0.4;
}

/* ============================================================
   Modal Overrides — Dark Mode
   ============================================================ */
.modal-content {
    background: var(--wizard-surface-hover);
    border: 1px solid var(--wizard-border);
    color: var(--wizard-text);
}

.modal-header {
    border-bottom-color: var(--wizard-border);
}

.modal-footer {
    border-top-color: var(--wizard-border);
}

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

.wizard-panel { animation: fadeIn 0.3s ease; }

/* ============================================================
   Step 0 — AI Intake
   ============================================================ */
.step-indicator-item[data-step="0"] .step-number {
    font-size: 0.85rem;
}

.step-indicator-item[data-step="0"].active .step-number {
    background: linear-gradient(135deg, var(--wizard-accent), var(--wizard-primary));
}

.step-indicator-item[data-step="0"].completed .step-number {
    background: linear-gradient(135deg, var(--wizard-accent), var(--wizard-success));
}

/* AI intake textarea styling */
#step-0-content textarea.form-control {
    min-height: 80px;
}

#step-0-content .form-label {
    color: var(--wizard-text);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
    .step-indicator-item .step-label {
        display: none;
    }
}