:root {
    --primary-blue: #1E4CA1;
    --accent-blue: #3E7CB1;
    --dark-gray: #2D2D2D;
    --light-gray: #F8F9FA;
    --input-border: #D8DEE4;
    --font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--font-family);
    margin: 0;
    background: var(--light-gray);
    color: var(--dark-gray);
    line-height: 1.6;
}

.mobile-error {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--light-gray);
    z-index: 9999;
    text-align: center;
    padding: 2rem;
}

.error-content {
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    max-width: 600px;
    margin: 0 auto;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.platform-icons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
}

.platform-icons img {
    height: 50px;
    opacity: 0.8;
}

.error-actions {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.error-button {
    display: inline-block;
    background: var(--primary-blue);
    color: white !important;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    width: 200px;
    transition: all 0.3s ease;
}

.error-button:hover {
    background: var(--accent-blue);
    transform: translateY(-2px);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo {
    font-weight: 600;
    color: var(--primary-blue);
    font-size: 1.5rem;
    text-decoration: none;
}

.nav-links a {
    margin-left: 2rem;
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
}

.document-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90vw;
    height: 90vh;
    max-width: 1200px;
    filter: blur(6px) brightness(0.95);
    background: url('https://i.postimg.cc/7Z3vRstx/kold.png') no-repeat center center/contain;
    opacity: 0.9;
    z-index: 0;
}

.auth-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
}

.auth-box {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.document-card {
    background: var(--primary-blue);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    color: white;
    box-shadow: 0 4px 16px rgba(30, 76, 161, 0.2);
}

.download-btn {
    display: inline-block;
    background: #28a745;
    color: white !important;
    padding: 12px 32px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: 1.5rem;
    cursor: pointer;
}

.download-btn:hover {
    background: #FFC423;
    transform: translateY(-1px);
}

.download-notification {
    position: relative;
    background: #FFC423;
    color: white;
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
    text-align: center;
    animation: slideIn 0.3s ease-out;
}

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

@media (max-width: 768px) {
    .auth-box {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .document-card {
        padding: 1.5rem;
    }
}