:root {
    --primary-bg: #1a237e;
    --secondary-bg: #121212;
    --text-color: #ffffff;
}

body {
    height: 100vh;
    margin: 0;
    background-color: var(--secondary-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
}

#bgvid {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: 0;
    opacity: 0.4;
    object-fit: cover;
}

.auth-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.auth-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 15px;
    width: 100%;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.auth-title {
    color: var(--text-color);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 600;
}

.form-floating {
    margin-bottom: 1rem;
}

.form-floating input {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color) !important;
}

.form-floating label {
    color: rgba(255, 255, 255, 0.6);
}

.form-floating input:focus {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: var(--primary-bg);
    box-shadow: 0 0 0 0.25rem rgba(26, 35, 126, 0.25);
}

.form-floating input:focus ~ label {
    color: rgba(255, 255, 255, 0.8);
}

.btn-auth {
    background: var(--primary-bg);
    color: var(--text-color);
    border: none;
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    width: 100%;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.btn-auth:hover {
    background: #283593;
    transform: translateY(-1px);
}

.text-danger {
    color: #ff5252 !important;
    margin-top: 0.5rem;
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
}

video {
    pointer-events: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.prevent-select {
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}