:root {
    --bg-primary: #0f0f1e;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-card-hover: #1e2d4a;

    --accent-primary: #4f46e5;
    --accent-secondary: #06b6d4;
    --accent-success: #10b981;
    --accent-danger: #ef4444;
    --accent-warning: #f59e0b;

    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --border-color: #374151;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

#app {
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
}

/* Screen Management */
.screen {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    animation: fadeIn 0.3s ease;
}

.screen.hidden {
    display: none;
}

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

/* Loading Screen */
#loading-screen {
    align-items: center;
    justify-content: center;
    text-align: center;
}

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid var(--bg-card);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Header */
.header {
    background: var(--bg-secondary);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header h1 {
    font-size: 20px;
    font-weight: 600;
    flex: 1;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 8px;
    transition: background 0.2s;
}

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

/* Content */
.content {
    flex: 1;
    padding: 20px;
}

/* Buttons */
.btn {
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
    margin-top: 12px;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background: #4338ca;
    transform: translateY(-2px);
    box-shadow: 0 8px 12px -2px rgba(79, 70, 229, 0.3);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-success {
    background: var(--accent-success);
    color: white;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 8px 12px -2px rgba(16, 185, 129, 0.3);
}

.btn-danger {
    background: var(--accent-danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

/* List */
.list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.list-item {
    background: var(--bg-card);
    padding: 16px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.list-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateX(4px);
}

.list-item-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.list-item-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Account Summary Card */
.account-summary-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.summary-header {
    margin-bottom: 16px;
}

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

.summary-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 600;
}

.summary-balance {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.summary-stat {
    background: var(--bg-card);
    padding: 20px 12px;
    border-radius: 16px;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.2s;
    position: relative;
}

.summary-stat:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 20px -4px rgba(79, 70, 229, 0.2);
}

.stat-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.stat-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-value.positive {
    color: var(--accent-success);
}

.stat-value.negative {
    color: var(--accent-danger);
}

/* Menu Grid */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.menu-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    border: 2px solid transparent;
    position: relative;
}

.menu-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 20px -4px rgba(79, 70, 229, 0.2);
}

.card-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.menu-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.menu-card p {
    font-size: 13px;
    color: var(--text-secondary);
}

.status-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    background: var(--accent-danger);
    color: white;
}

.status-badge.active {
    background: var(--accent-success);
}

.count-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-secondary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

/* Info Card */
.info-card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.status-text {
    font-weight: 600;
}

.status-text.active {
    color: var(--accent-success);
}

/* Actions */
.actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

/* Section */
.section {
    margin: 20px 0;
}

.section h3 {
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Settings */
.settings-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 24px;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.setting-item label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.input {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.2s;
}

.input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Agents List */
.agents-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bank-group {
    margin-bottom: 8px;
}

.bank-group-header {
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-primary);
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s;
}

.bank-group-header:hover {
    background: var(--bg-card-hover);
}

.bank-toggle {
    font-size: 14px;
    transition: transform 0.2s;
}

.bank-client-count {
    margin-left: auto;
    background: var(--accent-primary);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
}

.bank-clients-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 12px;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    max-height: 10000px;
    opacity: 1;
}

.bank-clients-container.collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

.agent-card {
    background: var(--bg-card);
    padding: 18px;
    border-radius: 12px;
    border-left: 4px solid var(--accent-secondary);
    margin-bottom: 12px;
    transition: all 0.2s;
}

.agent-card:hover {
    background: var(--bg-card-hover);
    transform: translateX(4px);
}

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

.agent-name {
    font-weight: 600;
    font-size: 15px;
    font-family: monospace;
    color: var(--text-primary);
}

.agent-id {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 4px 8px;
    border-radius: 6px;
    font-weight: 600;
}

.agent-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-top: 12px;
}

.agent-stat {
    background: var(--bg-secondary);
    padding: 10px;
    border-radius: 8px;
    text-align: left;
}

.agent-stat-label {
    font-size: 10px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.agent-stat-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-word;
}

/* Balance Summary Card */
.balance-summary-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.balance-summary-card:hover {
    border-color: var(--accent-primary);
}

.balance-main {
    margin-bottom: 18px;
    text-align: center;
}

.balance-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 600;
    margin-bottom: 10px;
}

.balance-value {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.balance-change-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.balance-change-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.balance-change-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.balance-change-value {
    font-size: 20px;
    font-weight: 700;
}

.balance-change-value.positive {
    color: var(--accent-success);
}

.balance-change-value.negative {
    color: var(--accent-danger);
}

.balance-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.balance-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    background: var(--bg-secondary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.balance-stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.balance-stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Utility */
.hidden {
    display: none !important;
}

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

.mt-20 {
    margin-top: 20px;
}

/* Login Form */
.login-form {
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.login-warning {
    background: var(--bg-card);
    border-left: 4px solid var(--accent-warning);
    padding: 12px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.login-loader {
    text-align: center;
    padding: 40px 20px;
}

.login-loader p {
    margin-top: 20px;
    font-size: 16px;
    font-weight: 600;
}

.loader-hint {
    font-size: 14px !important;
    color: var(--text-secondary) !important;
    font-weight: 400 !important;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    min-width: 300px;
    max-width: 400px;
    pointer-events: all;
    animation: slideIn 0.3s ease;
    border-left: 4px solid var(--accent-primary);
}

.toast.success {
    border-left-color: var(--accent-success);
}

.toast.error {
    border-left-color: var(--accent-danger);
}

.toast.warning {
    border-left-color: var(--accent-warning);
}

.toast.info {
    border-left-color: var(--accent-secondary);
}

.toast-message {
    font-size: 14px;
    line-height: 1.5;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Account Card with Status */
.account-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
}

.account-info {
    flex: 1;
}

.account-status {
    font-size: 20px;
    margin-right: 12px;
}

.account-actions {
    display: flex;
    gap: 8px;
}

.btn-delete {
    background: transparent;
    border: none;
    color: var(--accent-danger);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.1);
}

.account-warning {
    font-size: 12px;
    color: var(--accent-warning);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Account that needs reauthorization - red border and styling */
.account-needs-auth {
    border: 2px solid #ef4444 !important;
    background: rgba(239, 68, 68, 0.05) !important;
}

.account-needs-auth:hover {
    border-color: #dc2626 !important;
    background: rgba(239, 68, 68, 0.1) !important;
}

/* Three-dot menu button */
.btn-menu {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s;
    line-height: 1;
}

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

/* Dropdown menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: fixed;
    /* Position will be set via JS */
    margin-top: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 180px;
    z-index: 9999;
    overflow: hidden;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 1px solid var(--border-color);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: var(--bg-card-hover);
}

.dropdown-item.danger {
    color: var(--accent-danger);
}

.dropdown-item.danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* Modal overlay for reauthorization */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 24px;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.modal-content h2 {
    margin: 0 0 12px 0;
    font-size: 20px;
}

.modal-content p {
    margin: 0 0 20px 0;
    color: var(--text-secondary);
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.modal-actions .btn {
    flex: 1;
}
/* Reports/Stats Screen - Tabs */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    padding: 0 20px;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.tab-btn:hover:not(.active) {
    background: var(--bg-card-hover);
}

/* Balance Changes List */
.changes-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0;
}

.change-item {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 16px 20px;
    transition: all 0.3s ease;
}

.change-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.change-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.change-bank {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary);
}

.change-time {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.change-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.change-amount {
    font-size: 20px;
    font-weight: 700;
}

.change-amount.positive {
    color: var(--accent-success);
}

.change-amount.negative {
    color: var(--accent-danger);
}

.change-balance {
    font-size: 13px;
    color: var(--text-secondary);
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 8px 0;
    margin: 20px 0 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Bank Types Summary */
.bank-types-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0;
}

.bank-type-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.bank-type-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.bank-type-name {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary);
}

.bank-type-change {
    font-size: 18px;
    font-weight: 700;
}

.bank-type-change.positive {
    color: var(--accent-success);
}

.bank-type-change.negative {
    color: var(--accent-danger);
}