/* ==========================================================================
   RegGuard AI - Merchant Compliance & Onboarding Portal Styling
   ========================================================================== */

:root {
    --bg-primary: #090d16;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(31, 41, 55, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(59, 130, 246, 0.3);
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;

    --accent-blue: #3b82f6;
    --accent-indigo: #6366f1;
    --accent-purple: #8b5cf6;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #ef4444;

    --gradient-hero: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-emerald: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-amber: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-rose: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);

    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-code: 'Fira Code', monospace, sans-serif;

    --shadow-glow-blue: 0 0 25px rgba(59, 130, 246, 0.15);
    --shadow-glow-emerald: 0 0 25px rgba(16, 185, 129, 0.2);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Animated Gradient Mesh */
.bg-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.mesh-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: floatOrb 20s infinite ease-in-out alternate;
}

.mesh-1 {
    top: -10%;
    left: 20%;
    width: 500px;
    height: 500px;
    background: var(--accent-blue);
}

.mesh-2 {
    bottom: -10%;
    right: 10%;
    width: 600px;
    height: 600px;
    background: var(--accent-purple);
}

.mesh-3 {
    top: 40%;
    left: 60%;
    width: 400px;
    height: 400px;
    background: var(--accent-emerald);
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -50px) scale(1.1); }
    100% { transform: translate(-30px, 30px) scale(0.95); }
}

/* Container */
.app-container {
    max-width: 1380px;
    margin: 0 auto;
    padding: 24px 20px 60px;
}

/* Header & Navbar */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 30px;
    box-shadow: var(--shadow-card);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-main);
}

.logo-badge {
    width: 40px;
    height: 40px;
    background: var(--gradient-hero);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.logo-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-title span {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-emerald);
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-emerald);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-emerald);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
    100% { opacity: 1; transform: scale(1); }
}

.btn-back-portfolio {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-back-portfolio:hover {
    color: #fff;
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
}

/* Banner Crisis Alert Notice */
.crisis-banner {
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.15) 0%, rgba(239, 68, 68, 0.15) 100%);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin-bottom: 30px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.crisis-icon {
    font-size: 28px;
    line-height: 1;
}

.crisis-content h2 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: #fbbf24;
    margin-bottom: 4px;
}

.crisis-content p {
    font-size: 0.92rem;
    color: #d1d5db;
}

/* Navigation Tabs */
.app-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    overflow-x: auto;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.tab-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
    color: #fff;
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.1);
}

.tab-btn svg {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

/* Tab Panels */
.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Layout Grids */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

@media (max-width: 1024px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Cards & Panels */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-card);
    transition: border-color 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title svg {
    color: var(--accent-blue);
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Form Inputs */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control, .form-select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background: rgba(0, 0, 0, 0.5);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.custom-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.88rem;
    transition: all 0.2s ease;
}

.custom-checkbox input[type="checkbox"] {
    accent-color: var(--accent-blue);
    width: 16px;
    height: 16px;
}

.custom-checkbox:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 14px 24px;
    background: var(--gradient-hero);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    padding: 10px 18px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
}

/* AI Score Meter Display */
.score-display-card {
    text-align: center;
    padding: 30px 20px;
    position: relative;
    overflow: hidden;
}

.score-dial {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto 20px;
}

.score-svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.score-bg-circle {
    fill: none;
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 12;
}

.score-progress-circle {
    fill: none;
    stroke: var(--accent-emerald);
    stroke-width: 12;
    stroke-dasharray: 440;
    stroke-dashoffset: 440;
    stroke-linecap: round;
    transition: stroke-dashoffset 1.5s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.5s ease;
}

.score-number-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.score-value {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1;

}

.score-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-top: 4px;
}

.status-badge-lg {
    display: inline-block;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.badge-green {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #34d399;
}

.badge-amber {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.4);
    color: #fbbf24;
}

.badge-red {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #f87171;
}

/* SHAP Explainable AI Visualizer */
.shap-visualizer {
    margin-top: 20px;
}

.shap-item {
    margin-bottom: 14px;
}

.shap-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.88rem;
    margin-bottom: 6px;
}

.shap-feature-name {
    font-weight: 600;
}

.shap-impact {
    font-family: var(--font-code);
    font-size: 0.82rem;
}

.shap-impact.positive { color: var(--accent-emerald); }
.shap-impact.negative { color: var(--accent-rose); }

.shap-bar-bg {
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.shap-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1s ease-out;
}

.shap-fill-green { background: var(--gradient-emerald); }
.shap-fill-red { background: var(--gradient-rose); }

/* Executive Stats Widgets */
.stat-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon-blue { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.stat-icon-emerald { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.stat-icon-amber { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }
.stat-icon-purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }

.stat-val-huge {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1.1;
}

.stat-lbl {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Pipeline Progress / Batch Simulator */
.pipeline-progress-bar {
    width: 100%;
    height: 12px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 20px 0;
}

.pipeline-fill {
    height: 100%;
    width: 0%;
    background: var(--gradient-hero);
    transition: width 0.4s ease;
}

/* Remediation Guidance List */
.remediation-card {
    border-left: 4px solid var(--accent-amber);
    padding: 16px;
    background: rgba(245, 158, 11, 0.05);
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
}

.remediation-title {
    font-family: var(--font-heading);
    font-size: 0.98rem;
    font-weight: 700;
    color: #fbbf24;
    margin-bottom: 4px;
}

.remediation-desc {
    font-size: 0.88rem;
    color: #d1d5db;
}

/* Code Snippet Box */
.code-box {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: #38bdf8;
    overflow-x: auto;
    white-space: pre;
    margin-top: 10px;
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 650px;
    width: 100%;
    padding: 30px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.8);
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
}

.modal-close:hover { color: #fff; }

/* Certificate Document Box */
.cert-document {
    border: 2px dashed rgba(16, 185, 129, 0.4);
    background: rgba(16, 185, 129, 0.03);
    padding: 24px;
    border-radius: var(--radius-md);
    margin-top: 16px;
    font-family: var(--font-body);
}

.cert-header {
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 16px;
}

.cert-stamp {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent-emerald);
    color: #000;
    font-weight: 800;
    font-size: 0.75rem;
    border-radius: 4px;
    margin-top: 8px;
    text-transform: uppercase;
}

.cert-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    font-size: 0.88rem;
}

/* Responsive adjust */
@media (max-width: 768px) {
    .app-header {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
    .header-status {
        width: 100%;
        justify-content: space-between;
    }
    .score-dial {
        width: 150px;
        height: 150px;
    }
    .score-value {
        font-size: 2.5rem;
    }
}