/* BastionSSH Portal - CSS Styles */

:root {
    /* Color palette */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.1);
    --secondary: #64748b;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;

    /* Backgrounds */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;

    /* Text colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Borders */
    --border-color: #334155;
    --border-focus: #6366f1;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);

    /* Sizing */
    --sidebar-width: 260px;
    --header-height: 64px;
    --border-radius: 8px;
    --border-radius-lg: 12px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    min-height: 100%;
}

/* Loading state */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Auth pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    color: var(--primary);
    margin-bottom: 16px;
}

.icon-circle {
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
}

.icon-circle.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.auth-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

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

/* Forms */
.auth-form, .modal-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

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

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

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

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

/* OTP inputs */
.otp-inputs {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.otp-input {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    padding: 8px !important;
}

/* Error messages */
.error-message {
    color: var(--danger);
    font-size: 14px;
    text-align: center;
    min-height: 20px;
}

/* Push status */
.push-status {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 24px 0;
}

.push-status .spinner {
    width: 48px;
    height: 48px;
}

.push-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

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

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

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

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

.btn-link {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px;
}

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

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 8px 12px;
    font-size: 13px;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn.loading .btn-text {
    visibility: hidden;
}

.btn.loading .btn-loader {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-loader {
    display: none;
}

.btn.loading .btn-loader {
    display: block;
}

.btn {
    position: relative;
}

/* Dashboard layout */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo-small {
    color: var(--primary);
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
}

.nav-menu {
    list-style: none;
    padding: 12px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: 4px;
}

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

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

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: white;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 500;
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: capitalize;
}

/* Main content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px;
    min-height: 100vh;
}

/* Page header */
.page-header {
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 4px;
}

.page-description {
    color: var(--text-secondary);
}

/* Search bar */
.search-bar {
    margin-bottom: 24px;
}

.search-input {
    width: 100%;
    max-width: 400px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
}

.search-input:focus {
    outline: none;
    border-color: var(--border-focus);
}

/* Server grid */
.server-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.server-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all var(--transition-fast);
}

.server-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.server-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.server-info {
    flex: 1;
    min-width: 0;
}

.server-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.server-description {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 8px;
}

.server-details {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

.server-address {
    font-family: 'JetBrains Mono', monospace;
}

.btn-connect {
    flex-shrink: 0;
    align-self: center;
}

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

.session-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.session-icon {
    width: 40px;
    height: 40px;
    background: var(--success);
    background: rgba(34, 197, 94, 0.2);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
}

.session-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.session-server {
    font-weight: 500;
}

.session-time {
    font-size: 12px;
    color: var(--text-secondary);
}

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

/* Keys list */
.keys-actions {
    margin-bottom: 24px;
}

.keys-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.key-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.key-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.key-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.key-fingerprint {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 500;
}

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

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

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

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state svg {
    opacity: 0.5;
    margin-bottom: 16px;
}

.empty-state p {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.empty-state span {
    font-size: 14px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-form {
    padding: 24px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 8px;
}

/* Terminal modal */
.terminal-container {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    width: 90vw;
    height: 80vh;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.terminal-container.fullscreen {
    width: 100vw;
    height: 100vh;
    max-width: none;
    border-radius: 0;
}

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

.terminal-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.terminal-actions {
    display: flex;
    gap: 4px;
}

.btn-close-terminal:hover {
    background: var(--danger);
    color: white;
}

.terminal-body {
    flex: 1;
    background: #1e1e1e;
    overflow: hidden;
}

/* Terminal container - supports multiple instances with unique IDs */
[id^="terminal-container-"] {
    width: 100%;
    height: 100%;
    padding: 8px;
    box-sizing: border-box;
}

[id^="terminal-container-"] .xterm {
    height: 100%;
}

[id^="terminal-container-"] .xterm-viewport {
    overflow-y: auto !important;
}

/* Minimized terminals container */
.minimized-terminals-container {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 1500;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Minimized terminal indicator */
.minimized-terminal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.2s ease;
}

.minimized-terminal:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
}

.minimized-terminal svg {
    color: var(--primary);
}

.minimized-terminal .minimized-terminal-title {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.minimized-terminal .btn-restore {
    margin-left: 8px;
    padding: 4px;
}

.minimized-terminal .btn-close-minimized {
    padding: 4px;
    margin-left: 4px;
}

.minimized-terminal .btn-close-minimized:hover {
    color: var(--danger);
}

/* Toast notifications */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 14px 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
    min-width: 280px;
}

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

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast-message {
    flex: 1;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 20px;
    }

    .server-grid {
        grid-template-columns: 1fr;
    }

    .auth-card {
        padding: 24px;
    }

    .otp-input {
        width: 40px;
        height: 48px;
        font-size: 20px;
    }
}