:root {
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-primary-dark: #4f46e5;
    --color-secondary: #8b5cf6;
    --color-accent: #06b6d4;
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;

    --bg-dark: #020617;
    --bg-darker: #0f172a;
    --bg-card: rgba(15, 23, 42, 0.8);
    --bg-input: rgba(255, 255, 255, 0.05);
    --bg-input-hover: rgba(255, 255, 255, 0.08);

    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --border-subtle: rgba(255, 255, 255, 0.1);
    --border-focus: rgba(99, 102, 241, 0.5);

    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
    --shadow-card: 0 25px 50px -12px rgba(0, 0, 0, 0.5);

    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-secondary);
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    -webkit-text-size-adjust: 100%;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

::selection {
    background: var(--color-primary);
    color: var(--text-primary);
}

#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.container {
    display: flex;
    height: 100vh;
    height: 100dvh;
    position: relative;
    z-index: 2;
    width: 100%;
    overflow: hidden;
}

.left-panel {
    width: 40%;
    min-width: 480px;
    max-width: 600px;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-2xl);
    position: relative;
    z-index: 3;
    overflow: hidden;
}

.left-panel::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(
        to bottom,
        transparent,
        var(--color-primary) 20%,
        var(--color-secondary) 50%,
        var(--color-primary) 80%,
        transparent
    );
    opacity: 0.5;
}

.left-panel::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
    pointer-events: none;
    animation: ambientPulse 8s ease-in-out infinite;
}

.logo {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    z-index: 10;
}

.logo-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.7));
    animation: logoFloat 6s ease-in-out infinite, logoPulse 3s ease-in-out infinite;
    position: relative;
}

.logo-icon::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    opacity: 0.2;
    filter: blur(8px);
    animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.1); opacity: 0.4; }
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    background: linear-gradient(
        90deg,
        #818cf8 0%,
        #6366f1 25%,
        #a78bfa 50%,
        #6366f1 75%,
        #818cf8 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: logoGradient 3s linear infinite;
    position: relative;
    text-shadow: none;
}

.logo-text::before {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: logoShine 4s ease-in-out infinite;
}

.logo-text::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    filter: blur(15px);
    opacity: 0.6;
    background: linear-gradient(90deg, #6366f1, #8b5cf6, #6366f1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes logoGradient {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

@keyframes logoShine {
    0%, 100% { background-position: -200% center; }
    50% { background-position: 200% center; }
}

.login-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    animation: cardEnter 0.8s ease-out;
}

.card-glow {
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-normal);
    filter: blur(20px);
}

.login-card:hover .card-glow {
    opacity: 0.15;
}

.login-form {
    position: relative;
}

h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
    background: linear-gradient(
        135deg,
        #ffffff 0%,
        #e2e8f0 50%,
        #ffffff 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-primary),
        var(--color-secondary),
        var(--color-primary),
        transparent
    );
    border-radius: 2px;
    animation: lineGlow 2s ease-in-out infinite;
}

@keyframes lineGlow {
    0%, 100% { opacity: 0.5; transform: scaleX(0.8); }
    50% { opacity: 1; transform: scaleX(1); }
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
    letter-spacing: 0.3px;
}

.form-group {
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease-out backwards;
}

.form-group:nth-child(1) { animation-delay: 0.3s; }
.form-group:nth-child(2) { animation-delay: 0.4s; }

label {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.form-group:focus-within label {
    color: var(--color-primary-light);
}

.input-wrapper {
    position: relative;
}

input[type="email"],
input[type="password"],
input[type="text"] {
    width: 100%;
    padding: 12px var(--spacing-md);
    padding-right: 50px;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all var(--transition-normal);
}

input::placeholder {
    color: var(--text-dim);
}

input:hover {
    background: var(--bg-input-hover);
    border-color: rgba(99, 102, 241, 0.3);
}

input:focus {
    outline: none;
    background: var(--bg-input-hover);
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15), var(--shadow-glow);
}

.input-border {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

input:focus ~ .input-border {
    width: calc(100% - 20px);
}

input.input-error {
    border-color: var(--color-error) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15) !important;
}

input.input-success {
    border-color: var(--color-success) !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15) !important;
}

.field-error {
    display: block;
    color: var(--color-error);
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
    min-height: 1rem;
    opacity: 0;
    transform: translateY(-5px);
    transition: all var(--transition-fast);
}

.field-error.show {
    opacity: 1;
    transform: translateY(0);
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-dim);
    transition: all var(--transition-fast);
}

.password-toggle:hover {
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
}

.password-toggle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.password-toggle svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.password-toggle .eye-closed {
    display: none;
}

.password-toggle[aria-pressed="true"] .eye-open {
    display: none;
}

.password-toggle[aria-pressed="true"] .eye-closed {
    display: block;
}

.password-strength {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    opacity: 0;
    transform: translateY(-5px);
    transition: all var(--transition-normal);
}

.password-strength.show {
    opacity: 1;
    transform: translateY(0);
}

.strength-bars {
    display: flex;
    gap: 4px;
}

.strength-bar {
    width: 32px;
    height: 4px;
    background: var(--border-subtle);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.strength-bar.active[data-level="1"] { background: var(--color-error); }
.strength-bar.active[data-level="2"] { background: var(--color-warning); }
.strength-bar.active[data-level="3"] { background: #84cc16; }
.strength-bar.active[data-level="4"] { background: var(--color-success); }

.strength-text {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    transition: color var(--transition-fast);
}

.strength-text.weak { color: var(--color-error); }
.strength-text.fair { color: var(--color-warning); }
.strength-text.good { color: #84cc16; }
.strength-text.strong { color: var(--color-success); }

.error-message,
.success-message {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
    font-weight: 500;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-error);
}

.success-message {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--color-success);
}

.error-message.show,
.success-message.show {
    display: flex;
    animation: messageEnter 0.4s ease-out;
}

.error-message svg,
.success-message svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.success-icon .success-circle {
    stroke-dasharray: 63;
    stroke-dashoffset: 63;
    animation: drawCircle 0.5s ease-out forwards;
}

.success-icon .success-check {
    stroke-dasharray: 20;
    stroke-dashoffset: 20;
    animation: drawCheck 0.3s ease-out 0.4s forwards;
}

.login-btn {
    width: 100%;
    height: 46px;
    padding: 12px var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    animation: fadeInUp 0.6s ease-out 0.5s backwards;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.login-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.login-btn:hover:not(:disabled)::before {
    width: 400px;
    height: 400px;
}

.login-btn:active:not(:disabled) {
    transform: translateY(0) scale(0.98);
}

.login-btn:focus-visible {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 2px;
}

.btn-text,
.btn-loader,
.btn-success {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all var(--transition-normal);
}

.btn-loader,
.btn-success {
    opacity: 0;
}

.login-btn.loading .btn-text {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.8);
}

.login-btn.loading .btn-loader {
    opacity: 1;
}

.login-btn.success .btn-text,
.login-btn.success .btn-loader {
    opacity: 0;
}

.login-btn.success .btn-success {
    opacity: 1;
}

.login-btn.success {
    background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%);
}

.spinner {
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

.spinner circle {
    fill: none;
    stroke: currentColor;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 40;
    stroke-dashoffset: 30;
}

.btn-success svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    animation: fadeIn 0.6s ease-out 0.6s backwards;
}

.divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(99, 102, 241, 0.3) 50%,
        transparent 100%
    );
    position: relative;
}

.divider-line::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(99, 102, 241, 0.6) 50%,
        transparent 100%
    );
    transform: translateY(-50%);
    animation: dividerPulse 3s ease-in-out infinite;
}

.divider-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 20px;
}

.divider-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.divider-icon svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.8;
}

.divider-content span {
    color: var(--text-muted);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.hardware-auth-card {
    position: relative;
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(135deg,
        rgba(99, 102, 241, 0.08) 0%,
        rgba(139, 92, 246, 0.05) 50%,
        rgba(6, 182, 212, 0.03) 100%
    );
    border-radius: var(--radius-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-normal);
    animation: fadeInUp 0.6s ease-out 0.7s backwards;
    overflow: hidden;
}

.hardware-auth-border {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg,
        rgba(99, 102, 241, 0.4) 0%,
        rgba(139, 92, 246, 0.2) 25%,
        rgba(6, 182, 212, 0.3) 50%,
        rgba(139, 92, 246, 0.2) 75%,
        rgba(99, 102, 241, 0.4) 100%
    );
    background-size: 300% 300%;
    animation: borderGradient 4s ease infinite;
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.hardware-auth-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    background: radial-gradient(
        ellipse at center,
        rgba(99, 102, 241, 0.15) 0%,
        transparent 60%
    );
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.hardware-auth-card:hover .hardware-auth-glow {
    opacity: 1;
}

.hardware-auth-card:hover {
    transform: translateY(-3px);
    box-shadow:
        0 10px 40px rgba(99, 102, 241, 0.2),
        0 0 0 1px rgba(99, 102, 241, 0.1);
}

.hardware-auth-card:active {
    transform: translateY(-1px) scale(0.99);
}

.hardware-auth-card:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.hardware-auth-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    z-index: 1;
}

.hardware-auth-icon {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon-ring {
    position: absolute;
    inset: 0;
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    animation: iconRingPulse 2s ease-in-out infinite;
}

.icon-ring-inner {
    position: absolute;
    inset: 6px;
    border: 1px solid rgba(139, 92, 246, 0.4);
    border-radius: 50%;
    animation: iconRingPulse 2s ease-in-out infinite 0.5s;
}

.key-icon {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: var(--color-primary-light);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
    z-index: 1;
}

.scan-line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        var(--color-primary) 50%,
        transparent 100%
    );
    transform: translateX(-50%);
    opacity: 0;
    pointer-events: none;
}

.hardware-auth-card.scanning .scan-line {
    opacity: 1;
    animation: scanVertical 1.5s ease-in-out infinite;
}

.hardware-auth-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
}

.hardware-auth-title {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.hardware-auth-subtitle {
    color: var(--text-dim);
    font-size: 0.75rem;
    font-weight: 500;
}

.hardware-auth-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 20px;
    margin-left: auto;
    min-width: 95px;
    flex-shrink: 0;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-success);
    animation: statusPulse 2s ease-in-out infinite;
}

.status-text {
    color: var(--color-success);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.hardware-auth-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    margin-left: var(--spacing-sm);
    transition: all var(--transition-normal);
    z-index: 1;
}

.hardware-auth-arrow svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: var(--color-primary-light);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform var(--transition-normal);
}

.hardware-auth-card:hover .hardware-auth-arrow {
    background: rgba(99, 102, 241, 0.2);
}

.hardware-auth-card:hover .hardware-auth-arrow svg {
    transform: translateX(3px);
}

.hardware-auth-card.scanning {
    pointer-events: none;
}

.hardware-auth-card.scanning .hardware-auth-status {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
}

.hardware-auth-card.scanning .status-dot {
    background: var(--color-primary);
    box-shadow: 0 0 8px var(--color-primary);
    animation: statusBlink 0.5s ease-in-out infinite;
}

.hardware-auth-card.scanning .status-text {
    color: var(--color-primary-light);
}

.hardware-auth-card.scanning .key-icon {
    animation: keyPulse 1s ease-in-out infinite;
}

.hardware-auth-card.error .hardware-auth-status {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}

.hardware-auth-card.error .status-dot {
    background: var(--color-error);
    box-shadow: 0 0 8px var(--color-error);
    animation: none;
}

.hardware-auth-card.error .status-text {
    color: var(--color-error);
}

.hardware-auth-card.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    color: var(--text-dim);
    font-size: 0.7rem;
    animation: fadeInUp 0.6s ease-out 0.6s backwards;
}

.security-badge svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: var(--color-success);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.right-panel {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--bg-dark);
}

.video-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.bg-video {
    display: none;
}

.video-fallback {
    position: absolute;
    inset: 0;
    background: url('../assets/bg01.png') center/cover no-repeat;
    filter: brightness(0.7) saturate(1.3);
    z-index: 0;
    animation: slowZoom 30s ease-in-out infinite alternate;
}

@keyframes slowZoom {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.1);
    }
}

.video-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, var(--bg-dark) 0%, rgba(15, 23, 42, 0.8) 25%, transparent 50%),
        linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, transparent 40%, rgba(139, 92, 246, 0.1) 100%);
    z-index: 1;
}

.scanline-overlay {
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            0deg,
            rgba(0, 0, 0, 0.1) 0px,
            transparent 1px,
            transparent 2px
        );
    pointer-events: none;
    z-index: 2;
    opacity: 0.4;
}

.gradient-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse at center,
        transparent 40%,
        rgba(2, 6, 23, 0.4) 100%
    );
    z-index: 3;
}

.right-panel::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(0deg, rgba(99, 102, 241, 0.03) 0px, transparent 1px, transparent 3px),
        repeating-linear-gradient(90deg, rgba(99, 102, 241, 0.03) 0px, transparent 1px, transparent 3px);
    animation: scanLines 15s linear infinite;
    opacity: 0.5;
    z-index: 4;
    pointer-events: none;
}

.panel-content {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 5;
}

.floating-elements {
    position: absolute;
    inset: 0;
}

.hex {
    position: absolute;
    width: 100px;
    height: 115px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    animation: floatHex 20s ease-in-out infinite;
}

.hex-1 {
    top: 15%;
    right: 20%;
    animation-delay: 0s;
}

.hex-2 {
    top: 50%;
    right: 10%;
    width: 60px;
    height: 69px;
    animation-delay: -5s;
}

.hex-3 {
    bottom: 20%;
    right: 30%;
    width: 80px;
    height: 92px;
    animation-delay: -10s;
}

.success-overlay {
    position: fixed;
    inset: 0;
    background: rgba(16, 185, 129, 0.1);
    opacity: 0;
    pointer-events: none;
    z-index: 100;
    transition: opacity var(--transition-slow);
}

.success-overlay.show {
    opacity: 1;
    animation: successFlash 0.5s ease-out;
}

.footer {
    position: absolute;
    bottom: var(--spacing-md);
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.7rem;
    animation: fadeIn 1s ease-out 0.8s backwards;
}

@media (max-width: 1400px) {
    .left-panel {
        width: 45%;
    }
}

@media (max-width: 1024px) {
    .left-panel {
        width: 50%;
        min-width: 420px;
        padding: var(--spacing-xl);
    }

    .login-card {
        max-width: 400px;
    }
}

@media (max-width: 900px) {
    .left-panel {
        width: 55%;
        min-width: 380px;
    }
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        height: 100vh;
        height: 100dvh;
        overflow: hidden;
    }

    .left-panel {
        width: 100%;
        min-width: unset;
        height: 100vh;
        height: 100dvh;
        padding: var(--spacing-md);
        padding-top: calc(var(--spacing-md) + env(safe-area-inset-top, 0px));
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom, 0px));
        justify-content: center;
        align-items: center;
        overflow: hidden;
    }

    .left-panel::before {
        display: none;
    }

    .left-panel::after {
        display: none;
    }

    .right-panel {
        position: fixed;
        inset: 0;
        z-index: 0;
    }

    .bg-video {
        display: none;
    }

    .video-fallback {
        z-index: 0;
        filter: brightness(0.2) saturate(0.8) blur(3px);
    }

    .video-overlay {
        background:
            linear-gradient(180deg, rgba(2, 6, 23, 0.8) 0%, rgba(15, 23, 42, 0.6) 50%, rgba(2, 6, 23, 0.9) 100%);
    }

    .logo {
        position: relative;
        top: 0;
        left: 0;
        margin-bottom: var(--spacing-md);
        justify-content: center;
    }

    .login-card {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
        padding: var(--spacing-md);
    }

    h1 {
        font-size: 1.75rem;
        text-align: center;
        margin-bottom: 2px;
    }

    .subtitle {
        text-align: center;
        font-size: 0.8rem;
        margin-bottom: var(--spacing-md);
    }

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

    .footer {
        position: absolute;
        bottom: var(--spacing-sm);
        left: 0;
        right: 0;
        margin-top: 0;
    }

    .floating-elements {
        display: none;
    }

    .hardware-auth-card {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .hardware-auth-content {
        gap: var(--spacing-sm);
    }

    .hardware-auth-status {
        min-width: 80px;
    }

    .hardware-auth-arrow {
        display: none;
    }

    .auth-divider {
        margin: var(--spacing-sm) 0;
    }

    .security-badge {
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .left-panel {
        padding: var(--spacing-sm);
        padding-top: calc(var(--spacing-sm) + env(safe-area-inset-top, 0px));
        padding-bottom: calc(var(--spacing-sm) + env(safe-area-inset-bottom, 0px));
    }

    .login-card {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

    h1 {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.75rem;
    }

    .logo-text {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
    }

    label {
        font-size: 0.65rem;
        margin-bottom: 4px;
    }

    input[type="email"],
    input[type="password"],
    input[type="text"] {
        padding: 10px 12px;
        font-size: 16px;
    }

    .login-btn {
        height: 42px;
        font-size: 0.875rem;
    }

    .hardware-auth-icon {
        width: 36px;
        height: 36px;
    }

    .key-icon {
        width: 18px;
        height: 18px;
    }

    .hardware-auth-title {
        font-size: 0.8rem;
    }

    .hardware-auth-subtitle {
        font-size: 0.65rem;
    }

    .auth-divider {
        margin: var(--spacing-xs) 0;
    }

    .divider-content span {
        font-size: 0.55rem;
    }

    .security-badge {
        font-size: 0.6rem;
    }
}

@media (max-width: 360px) {
    .left-panel {
        padding: var(--spacing-xs);
    }

    .login-card {
        padding: var(--spacing-sm);
    }

    h1 {
        font-size: 1.25rem;
    }

    .logo-text {
        font-size: 1rem;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
    }

}


@media (max-height: 600px) and (orientation: landscape) {
    .left-panel {
        padding: var(--spacing-xs) var(--spacing-lg);
        justify-content: center;
    }

    .logo {
        margin-bottom: var(--spacing-xs);
    }

    .login-card {
        max-width: 450px;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    h1 {
        font-size: 1.25rem;
        margin-bottom: 0;
    }

    .subtitle {
        font-size: 0.7rem;
        margin-bottom: var(--spacing-sm);
    }

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

    label {
        margin-bottom: 2px;
    }

    input[type="email"],
    input[type="password"],
    input[type="text"] {
        padding: 8px 10px;
    }

    .login-btn {
        height: 36px;
    }

    .auth-divider {
        margin: var(--spacing-xs) 0;
    }

    .hardware-auth-card {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .hardware-auth-icon {
        width: 32px;
        height: 32px;
    }

    .security-badge {
        margin-top: var(--spacing-xs);
    }

    .footer {
        display: none;
    }
}

@media (hover: none) and (pointer: coarse) {
    .login-btn:hover::before {
        width: 0;
        height: 0;
    }

    .hardware-auth-card:hover {
        transform: none;
    }

    .hardware-auth-card:active {
        transform: scale(0.98);
    }

    input,
    .password-toggle,
    .login-btn,
    .hardware-auth-card {
        min-height: 48px;
    }
}

@media (prefers-contrast: high) {
    .login-card {
        border: 2px solid var(--text-muted);
    }

    input {
        border: 2px solid var(--text-muted);
    }
}

@media print {
    .right-panel,
    .video-container,
    #particleCanvas,
    .success-overlay {
        display: none;
    }

    .left-panel {
        width: 100%;
        background: white;
        color: black;
    }
}