/* General Reset & Layout System */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-main: #0c0d12;
    --bg-darker: #06070a;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-bg-hover: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-border-focus: rgba(255, 255, 255, 0.15);
    --text-primary: #f1f3f9;
    --text-secondary: #8a90a2;
    
    /* Curated Accent Colors */
    --color-cyan: #00f2fe;
    --color-blue: #4facfe;
    --color-green: #00e676;
    --color-green-glow: rgba(0, 230, 118, 0.25);
    --color-red: #ff1744;
    --color-red-glow: rgba(255, 23, 68, 0.25);
    --color-orange: #ff9100;
    --color-orange-glow: rgba(255, 145, 0, 0.25);
    
    /* Gradient Sets */
    --grad-primary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --grad-button: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
    --grad-danger: linear-gradient(135deg, #ff5252 0%, #ff1744 100%);
    
    /* Typography */
    --font-head: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    overflow-x: hidden;
}

/* App Container Layout */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
}

/* Sidebar Styling */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-main) 100%);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 30px 20px;
    flex-shrink: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    padding-left: 10px;
}

.logo-icon {
    font-size: 24px;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-icon.large {
    font-size: 48px;
    margin-bottom: 15px;
    display: inline-block;
}

.sidebar-header h2 {
    font-family: var(--font-head);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

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

.menu-item.active {
    color: var(--text-primary);
    background: var(--glass-bg-hover);
    box-shadow: inset 3px 0 0 var(--color-cyan);
}

/* User profile section in sidebar */
.sidebar-footer {
    border-top: 1px solid var(--glass-border);
    padding-top: 20px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 5px 10px;
}

.user-profile .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--glass-bg-hover);
    border: 1px solid var(--glass-border-focus);
}

.user-profile .user-meta {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    overflow: hidden;
}

.user-profile .user-meta .name {
    font-weight: 600;
    font-size: 13px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.user-profile .user-meta .email {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.user-profile .logout-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 16px;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
}

.user-profile .logout-btn:hover {
    color: var(--color-red);
    background-color: rgba(255, 23, 68, 0.1);
}

/* Main Content area */
.main-content {
    flex-grow: 1;
    padding: 40px;
    overflow-y: auto;
    height: 100vh;
}

/* Tab System Panel Display */
.tab-panel {
    display: none;
    animation: fadeIn 0.4s ease-in-out;
}

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

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-header h1 {
    font-family: var(--font-head);
    font-size: 26px;
    font-weight: 700;
}

.style-badge {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-cyan);
}

/* Account Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}

.metric-card .card-title {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
}

.metric-card .card-value {
    font-family: var(--font-head);
    font-size: 22px;
    font-weight: 700;
}

/* Glassmorphic Panel Cards */
.panel-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 28px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}

.panel-card h2.card-header {
    font-family: var(--font-head);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Expander Collapsible card */
.expander-card {
    padding: 18px 28px;
}

.expander-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.expander-header h3 {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.expander-header .toggle-icon {
    font-size: 14px;
    color: var(--text-secondary);
    transition: transform 0.3s;
}

.expander-header.open .toggle-icon {
    transform: rotate(180deg);
}

.expander-content {
    padding-top: 20px;
    margin-top: 15px;
    border-top: 1px solid var(--glass-border);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; max-height: 0; }
    to { opacity: 1; max-height: 500px; }
}

/* Tables styling */
.table-container {
    overflow-x: auto;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--glass-border);
}

th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    font-size: 13.5px;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: rgba(255, 255, 255, 0.01);
}

/* Positive / Negative colors */
.val-up {
    color: var(--color-green);
    font-weight: 600;
}

.val-down {
    color: var(--color-red);
    font-weight: 600;
}

.text-center {
    text-align: center;
}

/* Action button styles */
.action-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s;
}

.action-btn:hover {
    background-color: var(--glass-bg-hover);
    border-color: var(--glass-border-focus);
}

.action-btn.btn-red {
    color: var(--color-red);
    border-color: rgba(255, 23, 68, 0.2);
}

.action-btn.btn-red:hover {
    background-color: rgba(255, 23, 68, 0.1);
    border-color: var(--color-red);
}

.quick-positions-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
}

/* Signal List section */
.signals-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.sig-sec h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.signals-cards-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.signal-card {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.signal-card:hover {
    border-color: var(--glass-border-focus);
    background-color: rgba(255, 255, 255, 0.03);
    transform: translateY(-1px);
}

.signal-card .sig-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.signal-card .sig-info .sig-name {
    font-family: var(--font-head);
    font-size: 15px;
    font-weight: 600;
}

.signal-card .sig-info .sig-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

.signal-card .sig-action {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.signal-card .sig-action .sig-price {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 15px;
}

/* Forms styling */
.inline-form {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: flex-end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 150px;
}

.form-group.full-width {
    width: 100%;
}

label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

input, select {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13.5px;
    transition: all 0.2s;
    outline: none;
}

input:focus, select:focus {
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 2px rgba(0, 242, 254, 0.15);
}

.form-group.row-checkbox {
    flex-direction: row;
    align-items: center;
    gap: 10px;
    min-height: 40px;
    cursor: pointer;
}

.form-group.row-checkbox input {
    cursor: pointer;
}

.submit-btn {
    background: var(--grad-button);
    border: none;
    color: white;
    padding: 11px 22px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 114, 255, 0.4);
}

.submit-btn.full-width {
    width: 100%;
}

/* Strategy Multi-selection styling */
.strategy-selector {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    max-height: 240px;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    padding: 15px;
    border-radius: 8px;
}

.strategy-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.strategy-option input {
    cursor: pointer;
}

.strategy-option label {
    cursor: pointer;
    font-size: 12.5px;
    color: var(--text-primary);
}

/* Backtest Layout */
.backtest-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 30px;
}

.backtest-visuals {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.chart-card {
    height: 450px;
    display: flex;
    flex-direction: column;
}

.chart-container {
    flex-grow: 1;
    position: relative;
    height: 100%;
}

/* Settings page custom styles */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.settings-form-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.checkbox-group input {
    cursor: pointer;
}

.help-text {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: -4px;
}

/* Warning & Danger Reset settings styles */
.warning-card {
    border-color: rgba(255, 145, 0, 0.2);
}

.warning-box {
    background: rgba(255, 145, 0, 0.05);
    border: 1px solid rgba(255, 145, 0, 0.1);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 25px;
}

.warning-box p {
    margin-bottom: 10px;
}

.warning-box p:last-child {
    margin-bottom: 0;
}

.warning-text {
    color: var(--color-orange);
    font-weight: 600;
}

.reset-danger-btn {
    background: var(--grad-danger);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

.reset-danger-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 23, 68, 0.4);
}

/* Login Modal Overlay Stylings */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(6, 7, 10, 0.85);
    backdrop-filter: blur(25px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.login-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border-focus);
    border-radius: 24px;
    padding: 40px;
    width: 480px;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5);
    text-align: center;
    animation: modalPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.login-header h1 {
    font-family: var(--font-head);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 30px;
}

.login-body {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.simulated-login-sec {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--glass-border);
    padding: 20px;
    border-radius: 16px;
    text-align: left;
}

.simulated-login-sec h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.simulated-login-sec .form-group {
    margin-bottom: 15px;
}

.simulated-login-btn {
    background: var(--grad-button);
    color: white;
    border: none;
    padding: 11px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: all 0.2s;
    text-align: center;
}

.simulated-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 114, 255, 0.4);
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--glass-border);
}

.divider::before {
    margin-right: 15px;
}

.divider::after {
    margin-left: 15px;
}

.google-login-btn {
    background: white;
    color: #1f2937;
    text-decoration: none;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    transition: all 0.2s;
    cursor: pointer;
}

.google-login-btn:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
}

.google-login-caption {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: -5px;
}

/* Toast Messages */
.toast-msg {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(12, 13, 18, 0.9);
    border: 1px solid var(--glass-border-focus);
    color: var(--text-primary);
    padding: 14px 20px;
    border-radius: 12px;
    backdrop-filter: blur(25px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 13.5px;
    animation: toastPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes toastPop {
    from { transform: translateY(20px) scale(0.9); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.toast-msg i {
    font-size: 16px;
}

.toast-success i {
    color: var(--color-green);
}

.toast-error i {
    color: var(--color-red);
}

/* Avatar on Leaderboard table */
.leaderboard-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--glass-bg-hover);
    border: 1px solid var(--glass-border);
}

/* Leaderboard Rank numbers stylings */
.rank-badge {
    display: inline-block;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    line-height: 24px;
    text-align: center;
    font-weight: 700;
    font-size: 12px;
}

.rank-badge.rank-1 { background: #ffd700; color: #000; }
.rank-badge.rank-2 { background: #c0c0c0; color: #000; }
.rank-badge.rank-3 { background: #cd7f32; color: #000; }
.rank-badge.rank-other { background: var(--glass-bg-hover); color: var(--text-primary); }

/* Screenshot Upload Area Styling */
.screenshot-upload-area {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    background: rgba(0, 0, 0, 0.25);
    border-radius: 12px;
    padding: 35px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 10px;
}

.screenshot-upload-area:hover, .screenshot-upload-area.dragover {
    border-color: var(--color-cyan);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.15);
}

.screenshot-upload-area .upload-icon {
    font-size: 36px;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.screenshot-upload-area:hover .upload-icon {
    color: var(--color-cyan);
    transform: scale(1.1);
}

.screenshot-upload-area p {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.screenshot-upload-area .file-info {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Glassmorphic transaction action badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-align: center;
}
.badge-green {
    background-color: rgba(0, 230, 118, 0.12);
    color: var(--color-green);
    border: 1px solid rgba(0, 230, 118, 0.25);
}
.badge-red {
    background-color: rgba(255, 23, 68, 0.12);
    color: var(--color-red);
    border: 1px solid rgba(255, 23, 68, 0.25);
}