:root {
    --primary-color: #673AB7;
    /* Deep Purple */
    --accent-color: #00E5FF;
    /* Neon Cyan */
    --bg-gradient: linear-gradient(135deg, #311b92 0%, #000000 100%);
    --card-bg: rgba(255, 255, 255, 0.05);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-muted: #b39ddb;
    --danger: #ff4081;
    --success: #00e676;
    --font-family: 'Inter', system-ui, sans-serif;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    background: var(--bg-gradient);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

/* --- CONTAINER --- */
.app-container {
    width: 100%;
    max-width: 480px;
    background: rgba(20, 20, 30, 0.6);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    border: var(--glass-border);
    overflow: hidden;
    position: relative;
    padding-bottom: 20px;
}

/* --- HEADER --- */
.header {
    background: var(--primary-color);
    padding: 20px;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 15px rgba(103, 58, 183, 0.4);
}

.header h1 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.header .subtitle {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 5px;
}

.back-btn {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    opacity: 0.8;
}

/* --- FORM --- */
.form-group {
    padding: 15px 25px;
}

label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 10px 0;
    font-size: 1rem;
    transition: all 0.3s;
    font-family: inherit;
}

input:focus {
    outline: none;
    border-bottom-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
}

.amount-input-group {
    text-align: center;
    margin: 20px 0;
}

.amount-input-group input {
    font-size: 2.5rem;
    text-align: center;
    background: transparent;
    border: none;
    font-weight: bold;
}

/* --- ACTION BUTTON --- */
.action-area {
    padding: 20px 25px;
}

.analyze-btn {
    width: 100%;
    background: linear-gradient(45deg, var(--primary-color), #512da8);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(103, 58, 183, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.analyze-btn:active {
    transform: scale(0.98);
}

.analyze-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.analyze-btn:active::after {
    width: 300px;
    height: 300px;
}

/* --- RESULTS SECTION --- */
.result-card {
    margin: 20px 25px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    border: var(--glass-border);
    display: none;
    /* Hidden by default */
    animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.status-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.status-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
}

.status-safe {
    background: rgba(0, 230, 118, 0.2);
    color: var(--success);
    box-shadow: 0 0 10px rgba(0, 230, 118, 0.2);
}

.status-fake {
    background: rgba(255, 64, 129, 0.2);
    color: var(--danger);
    box-shadow: 0 0 15px rgba(255, 64, 129, 0.4);
    animation: pulseRed 0.8s infinite;
}

@keyframes pulseRed {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 64, 129, 0.7);
        transform: scale(1);
    }

    50% {
        box-shadow: 0 0 0 15px rgba(255, 64, 129, 0);
        transform: scale(1.05);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 64, 129, 0);
        transform: scale(1);
    }
}

.score-display {
    font-size: 2rem;
    font-weight: bold;
}

.explanation-text {
    font-size: 0.9rem;
    color: #e0e0e0;
    line-height: 1.5;
    margin-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 10px;
}

/* --- TECHNICAL DETAILS TOGGLE --- */
.tech-details-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin: 10px 25px;
    cursor: pointer;
    text-decoration: underline;
}

.tech-panel {
    background: black;
    color: #00ff00;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    padding: 15px;
    margin: 0 25px;
    border-radius: 5px;
    border: 1px solid #333;
    display: none;
    white-space: pre-wrap;
}

/* --- LOADER --- */
.loader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    display: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-height: 700px) {
    body {
        align-items: flex-start;
        padding: 20px 0;
    }
}

@media (max-width: 480px) {
    .app-container {
        border-radius: 0;
        box-shadow: none;
        border: none;
    }

    .amount-input-group input {
        font-size: 2rem;
    }

    .form-group {
        padding: 10px 20px;
    }

    .result-card {
        margin: 15px 20px;
        padding: 15px;
    }

    .score-display {
        font-size: 1.5rem;
    }
}

/* --- JUDGE MODE SCENARIOS --- */
.judge-scenarios {
    background: rgba(10, 10, 10, 0.4);
    border-top: 2px solid var(--primary-color);
    padding: 20px 25px;
    margin-top: 10px;
}

.judge-scenarios h3 {
    font-size: 0.8rem;
    color: var(--accent-color);
    letter-spacing: 2px;
    margin-bottom: 15px;
    text-transform: uppercase;
    display: flex;
    justify-content: space-between;
    margin-top: 0;
}

.scenario-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.scenario-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 10px;
    border-radius: 8px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.scenario-btn:hover {
    background: rgba(0, 229, 255, 0.1);
    border-color: var(--accent-color);
}

.scenario-btn strong {
    color: var(--accent-color);
    font-size: 0.8rem;
}

.scenario-btn small {
    color: rgba(255, 255, 255, 0.5);
}

.reset-judge-btn {
    grid-column: span 2;
    background: rgba(255, 64, 129, 0.1);
    border: 1px solid rgba(255, 64, 129, 0.3);
    color: var(--danger);
    padding: 8px;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: bold;
    cursor: pointer;
    margin-top: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.reset-judge-btn:hover {
    background: var(--danger);
    color: white;
}

/* --- HISTORY MODAL & NETWORK VIZ --- */
.history-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    display: none;
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.history-modal {
    width: 95%;
    max-width: 650px;
    max-height: 85vh;
    background: #0f0f15;
    border: 1px solid var(--primary-color);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
}

.modal-header {
    padding: 15px 20px;
    background: var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1rem;
    letter-spacing: 1px;
}

.close-modal {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

.network-map-container {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.network-map-container h3 {
    font-size: 0.7rem;
    color: var(--accent-color);
    text-transform: uppercase;
    margin-top: 0;
    margin-bottom: 15px;
}

.cycle-viz {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    min-height: 80px;
    flex-wrap: wrap;
}

.node-box {
    padding: 8px 12px;
    background: rgba(103, 58, 183, 0.2);
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.8rem;
    color: white;
    position: relative;
    animation: glowNode 2s infinite;
}

@keyframes glowNode {

    0%,
    100% {
        box-shadow: 0 0 5px rgba(103, 58, 183, 0.3);
    }

    50% {
        box-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
        border-color: var(--accent-color);
    }
}

.node-arrow {
    color: var(--accent-color);
    font-weight: bold;
    animation: slideArrow 1s infinite linear;
}

@keyframes slideArrow {
    from {
        transform: translateX(-3px);
        opacity: 0.3;
    }

    50% {
        opacity: 1;
    }

    to {
        transform: translateX(3px);
        opacity: 0.3;
    }
}

.history-table-container table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
}

.history-table-container th {
    text-align: left;
    color: var(--text-muted);
    border-bottom: 1px solid #333;
    padding: 10px 8px;
}

.history-table-container td {
    padding: 10px 8px;
    border-bottom: 1px solid #222;
}

.viz-placeholder {
    color: #444;
    font-style: italic;
    font-size: 0.8rem;
}

.status-row-anomalous {
    color: var(--danger);
    font-weight: bold;
}

.status-row-safe {
    color: var(--success);
}