/**
 * Ghost Secure - Stealth Dark Mode Theme
 * Deep charcoal background with neon green accents
 */

/* ==================== CSS Variables ==================== */
:root {
    /* Core Colors */
    --bg-primary: #121212;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #242424;
    --bg-hover: #2a2a2a;
    
    /* Accent Colors */
    --accent-primary: #00FF41;
    --accent-secondary: #00CC33;
    --accent-dim: #00FF4133;
    
    /* Status Colors */
    --status-secure: #00FF41;
    --status-warning: #FFD700;
    --status-danger: #FF3333;
    
    /* Text Colors */
    --text-primary: #E0E0E0;
    --text-secondary: #A0A0A0;
    --text-muted: #606060;
    --text-inverse: #121212;
    
    /* Border Colors */
    --border-primary: #333333;
    --border-secondary: #444444;
    --border-accent: #00FF41;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --glow-green: 0 0 20px rgba(0, 255, 65, 0.3);
    --glow-red: 0 0 20px rgba(255, 51, 51, 0.3);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    /* Z-Index Layers */
    --z-dropdown: 100;
    --z-modal: 200;
    --z-toast: 300;
}

/* ==================== Reset & Base ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ==================== App Container ==================== */
#app {
    height: 100%;
    width: 100%;
    position: relative;
}

/* ==================== Screens ==================== */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.screen.active {
    display: flex;
    opacity: 1;
}

/* ==================== Loading Screen ==================== */
#loading-screen {
    justify-content: center;
    align-items: center;
    background: var(--bg-primary);
}

.loader {
    text-align: center;
    z-index: 1;
}

.ghost-icon {
    font-size: 64px;
    animation: ghostFloat 2s ease-in-out infinite;
}

@keyframes ghostFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.loader-text {
    margin-top: var(--spacing-md);
    color: var(--accent-primary);
    font-size: 16px;
    letter-spacing: 2px;
}

.matrix-rain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

/* ==================== Welcome Screen ==================== */
#welcome-screen {
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.welcome-container {
    text-align: center;
    max-width: 400px;
    padding: var(--spacing-xl);
}

.logo-large {
    font-size: 80px;
    margin-bottom: var(--spacing-md);
    animation: ghostFloat 3s ease-in-out infinite;
}

.welcome-container h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.tagline {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: var(--spacing-xl);
}

.security-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
}

.status-orb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.status-orb.green {
    background: var(--status-secure);
    box-shadow: var(--glow-green);
}

.status-orb.yellow {
    background: var(--status-warning);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.status-orb.red {
    background: var(--status-danger);
    box-shadow: var(--glow-red);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.welcome-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.features-preview {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.feature-icon {
    font-size: 16px;
}

/* ==================== Buttons ==================== */
.btn-primary, .btn-secondary, .btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    background: var(--accent-secondary);
    box-shadow: var(--glow-green);
}

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

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

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

.btn-danger:hover {
    background: #CC2929;
    box-shadow: var(--glow-red);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 16px;
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 12px;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    font-size: 20px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.btn-back {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-fast);
}

.btn-back:hover {
    color: var(--text-primary);
}

.btn-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    padding: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.btn-link:hover {
    color: var(--accent-primary);
}

.btn-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ==================== Forms ==================== */
.form-container {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin: auto;
}

.form-container h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group .optional {
    color: var(--text-muted);
    font-weight: 400;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.password-input {
    position: relative;
}

.password-input input {
    padding-right: 44px;
}

.toggle-password {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.toggle-password:hover {
    opacity: 1;
}

.password-strength {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    margin-top: var(--spacing-xs);
    overflow: hidden;
}

.password-strength::after {
    content: '';
    display: block;
    height: 100%;
    width: 0;
    transition: all var(--transition-normal);
}

.password-strength.weak::after {
    width: 33%;
    background: var(--status-danger);
}

.password-strength.medium::after {
    width: 66%;
    background: var(--status-warning);
}

.password-strength.strong::after {
    width: 100%;
    background: var(--status-secure);
}

.hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.warning-banner {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid var(--status-warning);
    border-radius: var(--radius-md);
    color: var(--status-warning);
}

.vpn-warning {
    margin-top: var(--spacing-md);
}

/* ==================== Tabs ==================== */
.identity-tabs,
.import-tabs,
.settings-tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
}

.identity-tabs .tab,
.import-tabs .tab,
.settings-tabs .tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.identity-tabs .tab:hover,
.import-tabs .tab:hover,
.settings-tabs .tab:hover {
    color: var(--text-primary);
}

.identity-tabs .tab.active,
.import-tabs .tab.active,
.settings-tabs .tab.active {
    background: var(--accent-primary);
    color: var(--text-inverse);
}

.tab-icon {
    font-size: 14px;
}

/* ==================== Checkbox & Switch ==================== */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    transition: var(--transition-normal);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-primary);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-secondary);
    transition: var(--transition-normal);
    border-radius: 50%;
}

.switch input:checked + .slider {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.switch input:checked + .slider:before {
    transform: translateX(20px);
    background-color: var(--text-inverse);
}

/* ==================== Modal ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border: 1px solid var(--border-primary);
}

.modal-content h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.modal-large {
    max-width: 700px;
}

.modal-danger {
    border-color: var(--status-danger);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
}

.modal-header h2 {
    margin-bottom: 0;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* ==================== Recovery Modal ==================== */
.recovery-info {
    margin: var(--spacing-lg) 0;
}

.ghost-id-display,
.key-display {
    margin-bottom: var(--spacing-md);
}

.ghost-id-display label,
.key-display label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.id-box {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-family: monospace;
    font-size: 14px;
    word-break: break-all;
}

.qr-container {
    display: flex;
    justify-content: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

#recovery-key {
    width: 100%;
    height: 100px;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: monospace;
    font-size: 11px;
    resize: none;
}

/* ==================== Dashboard ==================== */
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    height: 60px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    font-size: 24px;
}

.app-name {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.identity-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.identity-badge:hover {
    background: var(--bg-hover);
}

.ghost-avatar-small {
    font-size: 16px;
}

.ghost-id-small {
    font-family: monospace;
    font-size: 12px;
    color: var(--text-secondary);
}

.dropdown-icon {
    font-size: 10px;
    color: var(--text-muted);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.security-status-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

.status-text {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==================== VPN Banner ==================== */
.vpn-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 215, 0, 0.1);
    border-bottom: 1px solid var(--status-warning);
    color: var(--status-warning);
    font-size: 13px;
}

/* ==================== Dashboard Body ==================== */
.dashboard-body {
    display: flex;
    height: calc(100% - 60px);
}

/* ==================== Sidebar ==================== */
.sidebar {
    width: 200px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

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

.nav-item.active {
    background: var(--accent-dim);
    color: var(--accent-primary);
}

.nav-icon {
    font-size: 18px;
}

.nav-label {
    flex: 1;
    text-align: left;
}

.nav-badge {
    background: var(--status-danger);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    min-width: 18px;
    text-align: center;
}

.sidebar-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-primary);
    padding-top: var(--spacing-md);
}

.nav-item.logout {
    color: var(--status-danger);
}

.nav-item.logout:hover {
    background: rgba(255, 51, 51, 0.1);
}

/* ==================== Main Content ==================== */
.main-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.view {
    display: none;
    flex-direction: column;
    height: 100%;
}

.view.active {
    display: flex;
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
}

.view-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.view-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ==================== Empty State ==================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
    padding: var(--spacing-xl);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    margin-bottom: var(--spacing-xs);
}

/* ==================== Inbox ==================== */
.inbox-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.email-list {
    width: 300px;
    border-right: 1px solid var(--border-primary);
    overflow-y: auto;
}

.email-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--border-primary);
    transition: background var(--transition-fast);
}

.email-item:hover {
    background: var(--bg-tertiary);
}

.email-item.active {
    background: var(--accent-dim);
}

.email-item.unread {
    border-left: 3px solid var(--accent-primary);
}

.email-sender {
    flex: 1;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.email-date {
    font-size: 11px;
    color: var(--text-muted);
}

.email-content {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.email-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
}

.email-header h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

.email-meta {
    display: flex;
    gap: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 12px;
}

.email-body {
    line-height: 1.8;
}

.email-body img {
    max-width: 100%;
    height: auto;
}

.images-blocked {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ==================== Chat ==================== */
.chat-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.contact-list {
    width: 250px;
    border-right: 1px solid var(--border-primary);
    overflow-y: auto;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--border-primary);
    transition: background var(--transition-fast);
}

.contact-item:hover {
    background: var(--bg-tertiary);
}

.contact-item.active {
    background: var(--accent-dim);
}

.contact-avatar {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.contact-info {
    flex: 1;
    overflow: hidden;
}

.contact-name {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.contact-preview {
    font-size: 12px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-window {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
}

.chat-messages {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.message {
    max-width: 70%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    position: relative;
}

.message.sent {
    align-self: flex-end;
    background: var(--accent-primary);
    color: var(--text-inverse);
}

.message.received {
    align-self: flex-start;
    background: var(--bg-tertiary);
}

.message-time {
    font-size: 10px;
    opacity: 0.7;
    margin-top: var(--spacing-xs);
}

.message-burn-timer {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 10px;
    color: var(--status-warning);
}

.chat-input-area {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-primary);
}

.chat-input-area input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
}

/* ==================== Vault ==================== */
.vault-container {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.vault-drop-zone {
    border: 2px dashed var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-lg);
}

.vault-drop-zone:hover,
.vault-drop-zone.dragover {
    border-color: var(--accent-primary);
    background: var(--accent-dim);
}

.drop-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    display: block;
}

.vault-files {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.vault-file {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.vault-file:hover {
    background: var(--bg-hover);
    transform: translateY(-2px);
}

.file-icon {
    font-size: 32px;
    text-align: center;
}

.file-name {
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-size {
    font-size: 11px;
    color: var(--text-muted);
}

.file-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: auto;
}

/* ==================== Notes ==================== */
.notes-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.notes-list {
    width: 250px;
    border-right: 1px solid var(--border-primary);
    overflow-y: auto;
}

.note-item {
    padding: var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--border-primary);
    transition: background var(--transition-fast);
}

.note-item:hover {
    background: var(--bg-tertiary);
}

.note-item.active {
    background: var(--accent-dim);
}

.note-title {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.note-date {
    font-size: 11px;
    color: var(--text-muted);
}

.note-editor {
    flex: 1;
    padding: var(--spacing-lg);
}

.note-editor textarea {
    width: 100%;
    height: calc(100% - 60px);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    resize: none;
    font-family: inherit;
}

.note-editor input {
    width: 100%;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-primary);
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
}

.note-editor input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* ==================== Personas ==================== */
.personas-grid,
.burners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.persona-card,
.burner-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-fast);
}

.persona-card:hover,
.burner-card:hover {
    background: var(--bg-hover);
}

.persona-card.generate-new,
.burner-card.create-new {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    border: 2px dashed var(--border-primary);
    background: transparent;
    cursor: pointer;
    min-height: 200px;
}

.persona-card.generate-new:hover,
.burner-card.create-new:hover {
    border-color: var(--accent-primary);
    background: var(--accent-dim);
}

.persona-field {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-primary);
}

.persona-field:last-child {
    border-bottom: none;
}

.field-label {
    color: var(--text-muted);
    font-size: 12px;
}

.field-value {
    font-weight: 500;
}

.burner-timer {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

.timer-icon {
    font-size: 20px;
}

.timer-text {
    flex: 1;
}

.timer-countdown {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-primary);
}

/* ==================== Settings ==================== */
.settings-content {
    padding: var(--spacing-md) 0;
}

.settings-tab {
    display: none;
}

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

.setting-group {
    margin-bottom: var(--spacing-xl);
}

.setting-group h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-primary);
}

.setting-group.danger h3 {
    color: var(--status-danger);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.setting-info {
    flex: 1;
}

.setting-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.setting-desc {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==================== Kill Switch ==================== */
.kill-switch-warning {
    padding: var(--spacing-md);
    background: rgba(255, 51, 51, 0.1);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.kill-switch-warning ul {
    margin: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-lg);
}

/* ==================== Email Filters ==================== */
.filter-lists {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.filter-section h3 {
    font-size: 14px;
    margin-bottom: var(--spacing-sm);
}

.filter-items {
    margin: var(--spacing-md) 0;
    max-height: 200px;
    overflow-y: auto;
}

.filter-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.add-filter {
    display: flex;
    gap: var(--spacing-sm);
}

.add-filter input {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
}

/* ==================== Toast Notifications ==================== */
#toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease;
    border-left: 3px solid var(--accent-primary);
}

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

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

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ==================== Spinner ==================== */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--text-inverse);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

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

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-secondary);
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }
    
    .nav-label {
        display: none;
    }
    
    .email-list,
    .contact-list,
    .notes-list {
        width: 100%;
        position: absolute;
    }
    
    .filter-lists {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: var(--spacing-md);
        padding: var(--spacing-md);
    }
}

/* ==================== Animations ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.fade-in {
    animation: fadeIn 0.3s ease;
}

.slide-up {
    animation: slideUp 0.3s ease;
}

/* ==================== Matrix Rain Effect ==================== */
.matrix-column {
    position: absolute;
    top: -100%;
    font-family: monospace;
    font-size: 14px;
    color: var(--accent-primary);
    opacity: 0.7;
    animation: matrixFall linear infinite;
    text-shadow: 0 0 5px var(--accent-primary);
}

@keyframes matrixFall {
    to {
        transform: translateY(200vh);
    }
}

/* ==================== Validation ==================== */
.validation-message {
    font-size: 12px;
    margin-top: var(--spacing-xs);
}

.validation-message.success {
    color: var(--status-secure);
}

.validation-message.error {
    color: var(--status-danger);
}

/* ==================== Utility Classes ==================== */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-warning { color: var(--status-warning); }
.text-danger { color: var(--status-danger); }
.text-success { color: var(--status-secure); }
.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }
.hidden { display: none !important; }