/* ============================================================
   Demon Dumper Pro — Web GUI v4.0
   Dark Cyber Theme
   ============================================================ */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-hover: #1c1c28;
    --bg-input: #0d0d15;
    --border: #252536;
    --border-light: #2a2a40;
    --text-primary: #e0e0f0;
    --text-secondary: #8888aa;
    --text-dim: #555570;
    --accent: #c84bff;
    --accent2: #00d4aa;
    --accent3: #ff6b6b;
    --accent4: #ffb347;
    --accent5: #4da6ff;
    --danger: #ff4757;
    --success: #2ed573;
    --warning: #ffa502;
    --sidebar-width: 240px;
    --radius: 6px;
    --radius-lg: 10px;
    --transition: 0.2s ease;
}

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

body {
    font-family: 'Segoe UI', 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
    line-height: 1.5;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 20px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 28px;
    color: var(--accent);
    text-shadow: 0 0 20px rgba(200, 75, 255, 0.5);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent);
}

.logo-ver {
    font-size: 10px;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition);
    cursor: pointer;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(200, 75, 255, 0.12);
    color: var(--accent);
    border-left: 3px solid var(--accent);
    margin-left: -3px;
}

.nav-icon {
    font-size: 16px;
    width: 22px;
    text-align: center;
}

.nav-divider {
    height: 1px;
    background: var(--border);
    margin: 6px 12px;
}

.nav-tag {
    margin-left: auto;
    font-size: 9px;
    padding: 2px 6px;
    border-radius: 3px;
    background: rgba(200, 75, 255, 0.12);
    color: var(--accent);
    letter-spacing: 0.5px;
}

.sidebar-hint {
    padding: 10px 18px;
    font-size: 10px;
    color: var(--text-dim);
    line-height: 1.5;
}

.sidebar-footer {
    padding: 14px 18px;
    border-top: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}

.status-dot.online {
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 4px var(--success); }
    50% { box-shadow: 0 0 12px var(--success); }
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 0 24px 24px;
    max-width: 1200px;
}

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0 14px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    z-index: 50;
}

.topbar-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(200, 75, 255, 0.15);
    border: 1px solid rgba(200, 75, 255, 0.3);
    border-radius: 20px;
    font-size: 12px;
    color: var(--accent);
}

.pulse {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse-dot 1s infinite;
}

/* ============================================================
   PAGES
   ============================================================ */
.page {
    display: none;
}
.page.active {
    display: block;
}

/* ============================================================
   STATS GRID
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    text-align: center;
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 20px rgba(200, 75, 255, 0.08);
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent5));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
}

/* ============================================================
   PANELS
   ============================================================ */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.panel-header h3 {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.panel-hint {
    font-size: 11px;
    color: var(--text-dim);
}

/* ============================================================
   WORKFLOW
   ============================================================ */
.workflow-steps {
    display: flex;
    gap: 0;
}

.wf-step {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    background: var(--bg-hover);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.wf-step:hover {
    background: rgba(200, 75, 255, 0.1);
}

.wf-num {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.wf-info {
    display: flex;
    flex-direction: column;
}

.wf-info strong {
    font-size: 13px;
}

.wf-info small {
    font-size: 11px;
    color: var(--text-secondary);
}

.wf-arrow {
    margin-left: auto;
    color: var(--text-dim);
    font-size: 18px;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 9px 12px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    transition: border var(--transition);
    outline: none;
}

.input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(200, 75, 255, 0.15);
}

select.input {
    cursor: pointer;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    padding: 9px 18px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--bg-hover);
    color: var(--text-primary);
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn:hover {
    background: var(--border);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #8b3fd4);
    border-color: transparent;
    color: #fff;
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(200, 75, 255, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #c0392b);
    border-color: transparent;
    color: #fff;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 11px;
}

.btn-row {
    display: flex;
    gap: 10px;
}

/* ============================================================
   PROGRESS
   ============================================================ */
.progress-bar {
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    overflow: hidden;
    margin: 10px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    border-radius: 3px;
    transition: width 0.3s ease;
    animation: progress-glow 2s infinite;
}

@keyframes progress-glow {
    0%, 100% { box-shadow: 0 0 8px rgba(200, 75, 255, 0.3); }
    50% { box-shadow: 0 0 16px rgba(200, 75, 255, 0.6); }
}

.progress-text {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ============================================================
   LOG PANEL
   ============================================================ */
.log-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-top: 20px;
    overflow: hidden;
}

.log-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.log-header h3 {
    font-size: 13px;
    font-weight: 600;
}

.log-container {
    padding: 10px 16px;
    max-height: 320px;
    overflow-y: auto;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 12px;
    line-height: 1.7;
}

.log-line {
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
}

.log-line.dim {
    color: var(--text-dim);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}

/* ============================================================
   CONFIG
   ============================================================ */
.config-section {
    margin-bottom: 18px;
}

.config-section h4 {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
}

.config-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 0;
}

.config-row label {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.config-row input,
.config-row select {
    width: 200px;
}

/* ============================================================
   CODE BLOCKS
   ============================================================ */
.code-block {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 12px;
    color: var(--accent2);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    margin-top: 12px;
}

/* ============================================================
   RESULTS TABLE
   ============================================================ */
.result-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    margin-top: 12px;
}

.result-table th {
    text-align: left;
    padding: 8px 12px;
    color: var(--text-dim);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 1px;
    border-bottom: 2px solid var(--border);
}

.result-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.result-table tr:hover td {
    background: var(--bg-hover);
}

.dim {
    color: var(--text-dim);
    font-size: 12px;
}

/* ============================================================
   TABS
   ============================================================ */
.tab-row {
    display: flex;
    gap: 4px;
    margin-bottom: 14px;
}

.tab-btn {
    padding: 7px 16px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.tab-btn.active {
    background: rgba(200, 75, 255, 0.12);
    border-color: var(--accent);
    color: var(--accent);
}

.tab-btn:hover {
    background: var(--bg-hover);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .sidebar {
        width: 60px;
    }
    .logo-text, .nav-label, .sidebar-footer span {
        display: none;
    }
    .main-content {
        margin-left: 60px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
}