:root {
    --bg-dark: #0a0a0c;
    --bg-card: #121216;
    --border-card: #202028;
    --text-main: #f5f5f5;
    --text-muted: #8e8e9e;
    --accent-cyan: #00e5ff;
    --accent-cyan-hover: #00b8e0;
    --input-bg: #1a1a20;
    --input-border: #2a2a35;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 12px;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-main);
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
}

.login-split-container {
    display: flex;
    width: 100%;
    height: 100vh;
}

/* Promo Panel (Left) */
.login-promo-panel {
    flex: 1.2;
    background-color: #0b0e14;
    border-right: 1px solid var(--border-card);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 48px;
    position: relative;
    overflow: hidden;
    background-image:
        radial-gradient(circle at 0% 0%, rgba(0, 229, 255, 0.04), transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(0, 184, 255, 0.04), transparent 50%);
}

.promo-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.5px;
}

.promo-content {
    max-width: 480px;
    margin: auto 0;
    z-index: 2;
}

.promo-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(0, 229, 255, 0.06);
    border: 1px solid rgba(0, 229, 255, 0.15);
    color: var(--accent-cyan);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.promo-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
    background: linear-gradient(90deg, #ffffff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.promo-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.promo-footer {
    color: #4a4a5a;
    font-size: 0.8rem;
}

/* Form Panel (Right) */
.login-form-panel {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
    background-color: var(--bg-dark);
    background-image: radial-gradient(circle at 50% 50%, rgba(0, 184, 255, 0.02), transparent 50%);
}

.mobile-logo-only {
    display: none;
}

.login-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.logo-box {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    width: 48px;
    height: 48px;
    background: #1a1a20;
    border: 1px solid var(--border-card);
    border-radius: 12px;
}

.login-header h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.login-header p {
    color: var(--text-muted);
    font-size: 14px;
}

.input-group {
    margin-bottom: 24px;
}

.input-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.input-group input {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-main);
    border-radius: 8px;
    padding: 12px 16px;
    font-family: var(--font-main);
    font-size: 14px;
    transition: all 0.2s ease;
    outline: none;
}

.input-group input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.15);
}

.input-group input::placeholder {
    color: #4a4a5a;
}

.password-input-wrapper {
    position: relative;
}

.password-input-wrapper input {
    padding-right: 60px;
}

.toggle-password-btn {
    position: absolute;
    top: 50%;
    right: 14px;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 6px;
}

.toggle-password-btn:hover {
    color: var(--accent-cyan);
}

.error-message {
    background-color: rgba(255, 77, 77, 0.1);
    color: #ff4d4d;
    border: 1px solid rgba(255, 77, 77, 0.2);
    padding: 12px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 20px;
    text-align: center;
    display: none;
}

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

.consent-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

.consent-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin: 2px 0 0 0;
    flex-shrink: 0;
    accent-color: var(--accent-cyan);
    cursor: pointer;
}

.consent-label a {
    color: var(--accent-cyan);
    text-decoration: none;
}

.consent-label a:hover {
    text-decoration: underline;
}

#toggle-link {
    color: var(--accent-cyan);
    text-decoration: none;
}

#toggle-link:hover {
    text-decoration: underline;
}

.login-legal-links {
    text-align: center;
    margin-top: 18px;
    font-size: 12px;
}

.login-legal-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.login-legal-links a:hover {
    color: var(--accent-cyan);
}

.login-legal-links span {
    color: var(--input-border);
    margin: 0 6px;
}

.btn-login {
    width: 100%;
    background-color: var(--accent-cyan);
    color: #000;
    border: none;
    border-radius: 8px;
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-main);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 48px;
}

.btn-login:hover {
    background-color: var(--accent-cyan-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 229, 255, 0.2);
}

.btn-login:disabled {
    background-color: #333;
    color: #666;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Loader CSS */
.loader {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0,0,0,0.2);
    border-bottom-color: #000;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

.hidden {
    display: none;
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 900px) {
    .login-promo-panel {
        display: none;
    }
    .login-form-panel {
        flex: 1;
        width: 100%;
        height: 100vh;
        padding: 20px;
    }
    .mobile-logo-only {
        display: inline-flex;
    }
    .login-card {
        padding: 32px 24px;
    }
}