.auth-page {
    min-height: 100vh;
    position: relative;
    color: var(--text);
    background: var(--bg);
}

.auth-nav {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 24px clamp(20px, 5vw, 60px);
}

.auth-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.auth-nav-link:hover {
    color: var(--accent);
}

.auth-main {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px clamp(20px, 5vw, 60px) 64px;
    min-height: calc(100vh - 88px);
}

.auth-card {
    width: 100%;
    max-width: 440px;
    padding: 40px 32px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(12px);
}

.auth-card-logo {
    display: inline-block;
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--accent);
    text-decoration: none;
    margin-bottom: 20px;
}

.auth-card-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 8px;
}

.auth-card-subtitle {
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.6;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.auth-field label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.auth-field input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-field input::placeholder {
    color: var(--text-muted);
}

.auth-field input:focus {
    border-color: var(--border-accent);
    box-shadow: 0 0 0 3px rgba(255, 246, 0, 0.12);
}

.auth-error {
    color: #ff6b6b;
    font-size: 0.9rem;
    line-height: 1.5;
}

.auth-submit {
    margin-top: 8px;
    width: 100%;
    padding: 15px 20px;
    border: none;
    border-radius: 999px;
    background: var(--accent);
    color: #000;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.auth-submit:hover:not(:disabled) {
    transform: translateY(-1px);
}

.auth-submit:active:not(:disabled) {
    transform: scale(0.98);
}

.auth-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-footer {
    margin-top: 24px;
    text-align: center;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent);
    font-weight: 700;
    text-decoration: none;
}

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

.nav-login-link {
    background: rgba(255, 246, 0, 0.1);
    color: var(--accent);
    padding: 8px 18px;
    border-radius: 100px;
    border: 1px solid var(--border-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.nav-login-link:hover {
    background: rgba(255, 246, 0, 0.16);
}

.nav-register-link {
    background: var(--accent);
    color: #000;
    padding: 8px 18px;
    border-radius: 100px;
    border: 1px solid var(--accent);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.nav-register-link:hover {
    background: #fff200;
    border-color: #fff200;
}

button.store-badge-link {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font: inherit;
}

.install-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(8px);
}

.install-modal {
    position: relative;
    width: 100%;
    max-width: 520px;
    padding: 32px 28px;
    border-radius: var(--radius);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.install-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    cursor: pointer;
}

.install-modal-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: rgba(255, 246, 0, 0.12);
    color: var(--accent);
    font-size: 1.6rem;
    margin-bottom: 18px;
}

.install-modal-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 10px;
}

.install-modal-intro {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.install-modal-steps {
    margin: 0 0 24px 1.1rem;
    color: var(--text);
    display: flex;
    flex-direction: column;
    gap: 12px;
    line-height: 1.6;
}

.install-modal-steps li {
    padding-left: 4px;
}

.install-modal-cta {
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: 999px;
    background: var(--accent);
    color: #000;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
}

@media (max-width: 768px) {
    .auth-card {
        padding: 32px 24px;
    }

    .auth-nav-link {
        display: none;
    }
}