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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    background: #000000;
}

#canvas {
    display: block;
    width: 100%;
    height: 100vh;
}

.login-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(10, 10, 25, 0.9);
    backdrop-filter: blur(20px);
    padding: 50px;
    border-radius: 25px;
    border: 2px solid rgba(100, 200, 255, 0.3);
    width: 90%;
    max-width: 550px;
    box-shadow: 0 0 100px rgba(100, 200, 255, 0.2), inset 0 0 50px rgba(100, 200, 255, 0.05);
    z-index: 10;
    animation: glowPulse 3s ease-in-out infinite;
}
.form-group:first-child label {
    display: block;
    color: #64c8ff;
    font-size: 13px;
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 100px rgba(100, 200, 255, 0.2), inset 0 0 50px rgba(100, 200, 255, 0.05); }
    50% { box-shadow: 0 0 150px rgba(100, 200, 255, 0.4), inset 0 0 80px rgba(100, 200, 255, 0.1); }
}

.login-container h1 {
    color: #ffffff;
    margin-bottom: 15px;
    font-size: 32px;
    text-align: center;
    background: linear-gradient(135deg, #64c8ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: 2px;
}

.login-container p {
    color: #94a3b8;
    text-align: center;
    margin-bottom: 35px;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    color: #64c8ff;
    font-size: 13px;
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: rgba(100, 200, 255, 0.05);
    border: 2px solid rgba(100, 200, 255, 0.2);
    border-radius: 12px;
    color: #ffffff;
    font-size: 15px;
    transition: all 0.4s ease;
    box-shadow: inset 0 0 20px rgba(100, 200, 255, 0.02);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    background: rgba(100, 200, 255, 0.1);
    border-color: rgba(100, 200, 255, 0.6);
    box-shadow: inset 0 0 20px rgba(100, 200, 255, 0.1), 0 0 40px rgba(100, 200, 255, 0.3);
}

.form-group input::placeholder {
    color: #4a7a99;
}

.form-group select option {
    background: #0a0a19;
    color: #ffffff;
}

.role-selector {
    margin-bottom: 25px;
}

.role-tabs {
    display: flex;
    gap: 8px;
    background: rgba(100, 200, 255, 0.05);
    padding: 4px;
    border-radius: 12px;
    border: 2px solid rgba(100, 200, 255, 0.2);
}

.role-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    color: #64a3c8;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.role-tab.active {
    background: linear-gradient(135deg, #00ff88, #64c8ff);
    color: #000000;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
}

.role-tab input[type="radio"] {
    display: none;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #00ff88;
}

.form-checkbox label {
    color: #94a3b8;
    font-size: 14px;
    text-transform: none;
    letter-spacing: 0;
    margin: 0;
    cursor: pointer;
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #00ff88 0%, #64c8ff 100%);
    border: none;
    border-radius: 12px;
    color: #000000;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s ease;
    margin-top: 15px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.4), 0 10px 30px rgba(100, 200, 255, 0.2);
}

.login-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 60px rgba(0, 255, 136, 0.6), 0 20px 50px rgba(100, 200, 255, 0.4);
}

.login-btn:active {
    transform: translateY(-1px);
}

.btn-google {
    width: 100%;
    padding: 14px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(100, 200, 255, 0.3);
    border-radius: 12px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s ease;
    margin-top: 15px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-google:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(100, 200, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(100, 200, 255, 0.3);
}

.btn-google i {
    color: #4285f4;
}

.divider {
    display: flex;
    align-items: center;
    margin: 25px 0;
    color: #64a3c8;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(100, 200, 255, 0.3);
}

.divider span {
    padding: 0 16px;
}

.alert {
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    border: 2px solid;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #ff6b6b;
    border-color: rgba(239, 68, 68, 0.3);
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    color: #00ff88;
    border-color: rgba(0, 255, 136, 0.3);
}

.error-message {
    color: #ff6b6b;
    font-size: 12px;
    margin-top: 8px;
    text-transform: none;
    letter-spacing: 0;
}

.success-message {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #00ff88, #64c8ff);
    color: #000000;
    padding: 18px 32px;
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 20;
    font-weight: 700;
    box-shadow: 0 0 50px rgba(0, 255, 136, 0.6);
}

.success-message.show {
    opacity: 1;
}

.logo {
    text-align: center;
    margin-bottom: 20px;
}

.logo i {
    font-size: 48px;
    background: linear-gradient(135deg, #64c8ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo span {
    display: block;
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #64c8ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 10px;
    letter-spacing: 2px;
}