/* ========== CSS Variables ========== */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #131827;
    --bg-tertiary: #1a2235;
    --bg-card: #1e2538;
    --bg-hover: #252d42;

    --text-primary: #e8eaed;
    --text-secondary: #b4b9c7; /* Improved contrast: 5.2:1 on bg-primary */
    --text-muted: #9ca3af; /* Improved contrast: 4.6:1 on bg-primary */

    --accent-primary: #4f46e5;
    --accent-primary-hover: #4338ca;
    --accent-secondary: #06b6d4;

    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;

    --border-color: #2d3548;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== Reset & Base ========== */
* {
    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);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

button {
    font-family: inherit;
    border: none;
    cursor: pointer;
}

input, textarea {
    font-family: inherit;
}

/* Skip to content link (WCAG 2.4.1) */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--accent-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    border-radius: 0 0 var(--radius-md) 0;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Focus-visible for keyboard navigation (WCAG 2.1 & 2.4.7) */
*:focus-visible {
    outline: 3px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Remove focus outline for mouse users */
*:focus:not(:focus-visible) {
    outline: none;
}

/* Enhanced focus for interactive elements */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--accent-primary);
    outline-offset: 2px;
}

svg {
    display: block;
}

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

/* Visually hidden but accessible to screen readers (WCAG 2.1) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.monospace {
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.9em;
}

.help-text {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* ========== Layout ========== */
.screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

/* ========== Logo ========== */
.logo {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--accent-primary);
}

.logo h1 {
    margin-top: 1rem;
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-small {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--accent-primary);
    font-size: 1.25rem;
    font-weight: 700;
}

/* ========== Cards ========== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 450px;
}

.card h2 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ========== Forms ========== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox label styling */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

/* Password input wrapper with visibility toggle */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    flex: 1;
    padding-right: 3rem;
}

.password-toggle {
    position: absolute;
    right: 0.5rem;
    background: none;
    border: none;
    padding: 0.5rem;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.password-toggle:hover {
    color: var(--text-primary);
}

.password-toggle.active svg path:first-child {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
}

.password-toggle.active::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 24px;
    background: currentColor;
    transform: rotate(45deg);
}

/* Password Strength */
.password-strength {
    margin-top: 0.5rem;
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.strength-bar {
    height: 100%;
    width: 0;
    transition: var(--transition);
    border-radius: 2px;
    position: relative;
}

/* Screen reader status announcement for password strength */
.strength-bar::after {
    content: '';
    position: absolute;
    left: -9999px;
}

.strength-bar[data-strength="weak"]::after {
    content: 'Password strength: weak';
}

.strength-bar[data-strength="medium"]::after {
    content: 'Password strength: medium';
}

.strength-bar[data-strength="strong"]::after {
    content: 'Password strength: strong';
}

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

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

.strength-bar.strong {
    width: 100%;
    background: var(--success);
}

/* Error Messages */
.error-message {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    border: 1px solid rgba(239, 68, 68, 0.2);
    font-size: 0.9rem;
    display: none;
}

.error-message.show {
    display: block;
}

/* ========== Buttons ========== */
.btn {
    min-height: 44px; /* WCAG 2.1 touch target minimum */
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 0.5rem;
}

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

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

.btn-primary:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

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

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

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

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ========== Header ========== */
.header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav {
    display: flex;
    gap: 1rem;
}

/* ========== Main Content ========== */
#dashboard-screen {
    display: block;
    padding: 0;
    min-height: 100vh;
}

.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.content-header h1 {
    font-size: 2rem;
    font-weight: 700;
}

/* ========== Devices Grid ========== */
.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.device-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
    cursor: pointer;
}

.device-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.device-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.device-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.device-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.device-status.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.device-status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.device-info {
    margin-bottom: 1rem;
}

.device-info-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

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

.device-info-label {
    color: var(--text-secondary);
}

.device-info-value {
    color: var(--text-primary);
    font-weight: 500;
}

.device-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.device-actions .btn {
    flex: 1;
    justify-content: center;
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
}

/* ========== Empty State ========== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state svg {
    margin: 0 auto 1.5rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    margin-bottom: 1.5rem;
}

/* ========== Modals ========== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    animation: modalSlideIn 0.3s ease-out;
}

.modal-small {
    max-width: 400px;
}

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

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.5rem;
}

.close-btn {
    background: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    line-height: 1;
    padding: 0.5rem;
    min-width: 44px; /* WCAG touch target */
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

.modal-body {
    padding: 2rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.modal-actions .btn {
    flex: 1;
    justify-content: center;
}

/* ========== QR Code Section ========== */
.qr-section {
    margin: 2rem 0;
    text-align: center;
}

.qr-section h4 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.qr-code {
    background: white;
    padding: 1rem;
    border-radius: var(--radius-md);
    display: inline-block;
    box-shadow: var(--shadow);
}

.qr-code img {
    display: block;
}

/* ========== Config Display ========== */
.config-success {
    text-align: center;
    padding: 2rem 0;
    color: var(--success);
}

.config-success svg {
    margin: 0 auto 1rem;
}

.config-success h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

/* ========== Same Device Setup Section ========== */
.same-device-section {
    margin: 1.5rem 0;
    text-align: center;
}

.same-device-section .section-divider {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.same-device-section .btn {
    width: 100%;
    max-width: 280px;
}

.same-device-section .help-text-small {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    opacity: 0.8;
}

/* ========== Get App Section ========== */
.get-app-section {
    margin: 1.5rem 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.app-store-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.app-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.app-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ========== Security Notice ========== */
.security-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 1.5rem 0;
    padding: 0.75rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-md);
    color: var(--success);
    font-size: 0.813rem;
    text-align: center;
}

.security-notice svg {
    flex-shrink: 0;
}

.config-section {
    margin: 2rem 0;
}

.config-section h4 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.config-text {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-primary);
}

/* ========== Device Info ========== */
.device-info {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 2rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.info-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.info-value {
    color: var(--text-primary);
    text-align: right;
    word-break: break-all;
}

/* ========== Settings Section ========== */
.settings-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.settings-section h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

/* ========== Toast Notifications ========== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    animation: toastSlideIn 0.3s ease-out;
}

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

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

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

.toast.info {
    border-left: 4px solid var(--accent-primary);
}

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        width: 100%;
        justify-content: space-between;
    }

    .content-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .content-header h1 {
        font-size: 1.5rem;
    }

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

    .modal-content {
        margin: 1rem;
    }

    .modal-body {
        padding: 1.5rem;
    }

    .config-actions,
    .modal-actions,
    .button-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .toast {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }
}

/* ========== Custom Scrollbar ========== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

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

/* ========== Setup & Login Containers ========== */
.setup-container,
.login-container {
    width: 100%;
    max-width: 450px;
}

/* ========== Auth Screen Switching ========== */
.auth-switch {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.auth-switch p {
    margin-bottom: 0;
    color: var(--text-secondary);
}

.auth-switch a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.auth-switch a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

/* ========== Header Center & Subscription Badge ========== */
.header-center {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.subscription-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.subscription-badge .plan-name {
    font-weight: 600;
    color: var(--text-primary);
}

.subscription-badge .device-limit {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Plan-specific badge colors */
.subscription-badge.plan-free {
    border-color: var(--text-muted);
}

.subscription-badge.plan-free .plan-name {
    color: var(--text-secondary);
}

.subscription-badge.plan-starter {
    border-color: var(--accent-secondary);
    background: rgba(6, 182, 212, 0.1);
}

.subscription-badge.plan-starter .plan-name {
    color: var(--accent-secondary);
}

.subscription-badge.plan-pro {
    border-color: var(--accent-primary);
    background: rgba(79, 70, 229, 0.1);
}

.subscription-badge.plan-pro .plan-name {
    color: var(--accent-primary);
}

.subscription-badge.plan-enterprise {
    border-color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
}

.subscription-badge.plan-enterprise .plan-name {
    color: var(--warning);
}

/* ========== User Email Display ========== */
.user-email {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.5rem 0;
    margin-right: 0.5rem;
}

/* ========== Device Count Badge ========== */
.device-count-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.device-count {
    font-weight: 600;
    color: var(--text-primary);
}

.device-count.near-limit {
    color: var(--warning);
}

.device-count.at-limit {
    color: var(--danger);
}

/* ========== Responsive: Header with Subscription ========== */
@media (max-width: 768px) {
    .header-center {
        order: 2;
        width: 100%;
        justify-content: center;
    }

    .subscription-badge {
        flex-direction: column;
        gap: 0.25rem;
        padding: 0.5rem 0.75rem;
    }

    .user-email {
        display: none;
    }
}

/* ========== Loading Skeleton ========== */
.skeleton-card {
    pointer-events: none;
    user-select: none;
}

.skeleton-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-badge {
    height: 20px;
    width: 60px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
    animation-delay: 0.1s;
}

.skeleton-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.skeleton-line {
    height: 16px;
    width: 100%;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-line:nth-child(1) {
    animation-delay: 0.2s;
}

.skeleton-line:nth-child(2) {
    width: 80%;
    animation-delay: 0.3s;
}

.skeleton-line:nth-child(3) {
    width: 70%;
    animation-delay: 0.4s;
}

@keyframes skeleton-pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

/* ========== Account Modal ========== */
.modal-wide {
    max-width: 700px;
}

.account-section {
    margin-bottom: 2rem;
}

.account-section:last-child {
    margin-bottom: 0;
}

.account-section h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Current Plan Card */
.current-plan-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.plan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.plan-name-large {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.plan-price {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.plan-details {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

.plan-detail {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.detail-value {
    font-weight: 500;
    color: var(--text-primary);
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    text-transform: capitalize;
}

.status-badge.active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.status-badge.canceled {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.status-badge.past_due {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.plan-period {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Usage Card */
.usage-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.usage-bar-container {
    height: 12px;
    background: var(--bg-primary);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.usage-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 6px;
    transition: width 0.5s ease;
}

.usage-bar.warning {
    background: linear-gradient(90deg, var(--warning), #f97316);
}

.usage-bar.danger {
    background: linear-gradient(90deg, var(--error), #dc2626);
}

.usage-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.usage-stats #usage-current {
    font-weight: 600;
    color: var(--text-primary);
}

.usage-stats #usage-limit {
    color: var(--text-muted);
}

.usage-details {
    display: flex;
    gap: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.usage-detail {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

/* Plans Grid */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.plan-card {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.plan-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.plan-card.current {
    border-color: var(--accent-secondary);
    background: rgba(6, 182, 212, 0.1);
}

.plan-card.current::after {
    content: "Current";
    display: block;
    font-size: 0.75rem;
    color: var(--accent-secondary);
    margin-top: 0.5rem;
}

.plan-card .plan-card-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.plan-card .plan-card-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 0.25rem;
}

.plan-card .plan-card-price small {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted);
}

.plan-card .plan-card-devices {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Cancel button */
.btn-danger-outline {
    background: transparent;
    border: 1px solid var(--error);
    color: var(--error);
}

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

/* ========== Warning Banner ========== */
.warning-banner {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    color: var(--warning);
}

.warning-banner svg {
    flex-shrink: 0;
}

.warning-banner .warning-message {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.warning-banner .btn {
    flex-shrink: 0;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    min-height: 36px;
}

/* ========== Device Limit Modal ========== */
.limit-icon {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--danger);
}

.limit-icon svg {
    margin: 0 auto;
}

.limit-message {
    text-align: center;
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Responsive Account Modal */
@media (max-width: 768px) {
    .plan-details {
        flex-direction: column;
        gap: 1rem;
    }

    .usage-details {
        flex-direction: column;
        gap: 1rem;
    }

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

    .warning-banner {
        flex-direction: column;
        text-align: center;
    }

    .warning-banner .btn {
        width: 100%;
    }

    .device-count-badge {
        width: 100%;
        justify-content: center;
    }
}

/* ========== Social Login Buttons ========== */
.social-login-section {
    margin-bottom: 1.5rem;
}

.btn-social {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 48px;
    font-weight: 500;
    font-size: 1rem;
    margin-bottom: 0.75rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.btn-social svg {
    flex-shrink: 0;
}

/* Google Sign-In Button (per Google branding guidelines) */
.btn-google {
    background: #ffffff;
    color: #3c4043;
    border: 1px solid #dadce0;
}

.btn-google:hover {
    background: #f8f9fa;
    border-color: #d2d5d9;
    box-shadow: 0 1px 3px rgba(60, 64, 67, 0.15);
}

.btn-google:active {
    background: #e8eaed;
}

/* Apple Sign-In Button (per Apple HIG) */
.btn-apple {
    background: #000000;
    color: #ffffff;
    border: none;
}

.btn-apple:hover {
    background: #1a1a1a;
}

.btn-apple:active {
    background: #333333;
}

/* Divider with text */
.divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.divider span {
    padding: 0 1rem;
    white-space: nowrap;
}

/* ========== Login Enhancements ========== */
.login-tagline {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

/* Trust badges */
.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
    padding: 1rem;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.trust-badge svg {
    color: var(--success);
    flex-shrink: 0;
}

/* Auth switch link styling */
.auth-switch {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.auth-switch p {
    margin: 0;
    font-size: 0.9rem;
}

.auth-switch a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Forgot Password Link */
.forgot-password {
    text-align: right;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

.forgot-password a {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
}

.forgot-password a:hover {
    color: var(--accent-primary);
    text-decoration: underline;
}

/* Success Message */
.success-message {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.success-message.hidden {
    display: none;
}

/* Modal Description */
.modal-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

/* Responsive trust badges */
@media (max-width: 640px) {
    .trust-badges {
        flex-direction: column;
        align-items: center;
    }

    .login-tagline {
        font-size: 0.9rem;
    }
}

/* ========== Region Selector ========== */
.region-selector {
    margin-bottom: 1.5rem;
}

.region-selector .form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.region-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.region-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.region-option:hover {
    border-color: var(--accent-primary);
    background: rgba(79, 70, 229, 0.05);
}

.region-option.selected {
    border-color: var(--accent-primary);
    background: rgba(79, 70, 229, 0.1);
}

.region-option input[type="radio"] {
    display: none;
}

.region-option .region-flag {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.region-option .region-name {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.region-option .region-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.125rem;
}

.region-option .region-endpoint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Region Latency Indicators */
.region-latency {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
}

.region-latency.latency-excellent {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.region-latency.latency-good {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
}

.region-latency.latency-fair {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.region-latency.latency-poor {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.region-latency.latency-unknown {
    background: rgba(156, 163, 175, 0.15);
    color: var(--text-muted);
}

/* Latency loading animation */
.latency-loading {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid var(--text-muted);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Region Help Text */
.region-help-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.region-tip {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: rgba(79, 70, 229, 0.05);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-primary);
}

.region-tip strong {
    color: var(--text-secondary);
}

/* Device Card Region Info */
.device-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 0.25rem;
}

.device-region {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.device-region .region-flag {
    font-size: 1rem;
}

/* ========== Admin Region Cards ========== */
.admin-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.admin-section:last-child {
    border-bottom: none;
}

.admin-section h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.regions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.region-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

.region-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.region-card.inactive {
    opacity: 0.7;
    background: var(--bg-secondary);
}

.region-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.region-card-header .region-flag {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.region-card-header .region-name {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
}

.region-status {
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.status-inactive {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.region-card-body {
    padding: 1rem;
}

.region-stat {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.region-stat:last-child {
    border-bottom: none;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.stat-value {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.region-card-footer {
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

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

.btn-success:hover {
    background: #059669;
    transform: translateY(-1px);
}

/* Responsive Regions */
@media (max-width: 640px) {
    .region-options {
        gap: 0.75rem;
    }

    .region-option {
        padding: 1rem;
    }

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