body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}
.register-page-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

.register-container {
    width: 100%;
    max-width: 500px;
    position: relative;
    z-index: 10;
}

.register-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: slideInUp 0.8s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.register-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 35px 70px rgba(102, 126, 234, 0.2);
}

/* Header Section */
.register-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.register-header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
            circle at 20% 20%,
            rgba(255, 255, 255, 0.1) 0%,
            transparent 50%
        ),
        radial-gradient(
            circle at 80% 80%,
            rgba(255, 255, 255, 0.1) 0%,
            transparent 50%
        );
    opacity: 0.3;
    animation: backgroundShift 15s ease-in-out infinite;
}

.register-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.register-icon i {
    font-size: 2rem;
    color: white;
}

.register-title {
    color: white;
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    position: relative;
    z-index: 1;
    letter-spacing: -0.5px;
}

.register-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin: 10px 0 0;
    position: relative;
    z-index: 1;
    font-weight: 400;
}

/* Form Body */
.register-body {
    padding: 40px;
}

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

.form-label {
    font-weight: 600;
    color: #4c51bf;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.form-label i {
    font-size: 0.9rem;
    color: #667eea;
    width: 16px;
    flex-shrink: 0;
}

.input-group {
    position: relative;
}

.form-control {
    border: 2px solid rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    padding: 16px 50px 16px 20px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    position: relative;
    box-sizing: border-box;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.15);
    background: white;
    transform: translateY(-1px);
    outline: none;
}

.form-control::placeholder {
    color: #a0aec0;
    transition: all 0.3s ease;
}

.form-control:focus::placeholder {
    transform: translateY(-3px);
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Input Icons */
.input-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #a0aec0;
    transition: all 0.3s ease;
    z-index: 2;
    font-size: 0.9rem;
}

.form-control:focus + .input-icon.validation-icon {
    color: #667eea;
}

.password-toggle {
    cursor: pointer !important;
}

.password-toggle:hover {
    color: #667eea;
}

/* Validation Icons */
.validation-icon.valid {
    color: #10b981 !important;
}

.validation-icon.invalid {
    color: #ef4444 !important;
}

/* Error Messages */
.error-message {
    color: #e53e3e;
    font-size: 0.85rem;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    animation: shake 0.5s ease-in-out;
}

.error-message::before {
    content: "⚠";
    font-size: 0.8rem;
}

@keyframes shake {
    0%,
    100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

/* Register Button */
.register-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 15px;
    padding: 16px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    width: 100%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    margin-top: 15px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
}

.register-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.2) 0%,
        rgba(255, 255, 255, 0.1) 100%
    );
    transition: left 0.4s ease;
}

.register-btn:hover::before {
    left: 0;
}

.register-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.4);
}

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

/* Loading State */
.register-btn.loading {
    color: transparent !important;
}

.register-btn.loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Login Link */
.login-link {
    text-align: center;
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.login-link p {
    color: #718096;
    margin: 0;
    font-size: 0.95rem;
}

.login-redirect {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.login-redirect::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.login-redirect:hover::after {
    width: 100%;
}

.login-redirect:hover {
    color: #4c51bf;
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .register-page-wrapper {
        padding: 15px;
        align-items: flex-start;
        padding-top: 30px;
    }

    .register-container {
        max-width: 100%;
        margin-top: 15%;
    }

    .register-card {
        border-radius: 18px;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    }

    .register-header {
        padding: 30px 20px 25px;
    }

    .register-title {
        font-size: 1.6rem;
    }

    .register-subtitle {
        font-size: 0.9rem;
    }

    .register-body {
        padding: 25px 20px;
    }

    .form-control {
        padding: 14px 45px 14px 16px;
        font-size: 0.95rem;
    }

    .register-btn {
        padding: 14px 20px;
        font-size: 1rem;
    }

    .login-link {
        margin-top: 20px;
        padding-top: 20px;
    }
}

@media (max-width: 480px) {
    .register-page-wrapper {
        padding: 10px;
        padding-top: 20px;
    }

    .register-header {
        padding: 25px 15px 20px;
    }

    .register-icon {
        width: 60px;
        height: 60px;
    }

    .register-icon i {
        font-size: 1.5rem;
    }

    .register-title {
        font-size: 1.4rem;
    }

    .register-subtitle {
        font-size: 0.85rem;
    }

    .register-body {
        padding: 20px 15px;
    }

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

    .form-label {
        font-size: 0.9rem;
    }

    .form-control {
        padding: 12px 40px 12px 14px;
        font-size: 0.9rem;
        border-radius: 12px;
    }

    .register-btn {
        font-size: 0.95rem;
        padding: 14px 16px;
        border-radius: 12px;
    }

    .login-link p {
        font-size: 0.85rem;
    }
}

/* Form Field Animation */
.form-group {
    animation: slideInLeft 0.6s ease forwards;
    opacity: 0;
}

.form-group:nth-child(1) {
    animation-delay: 0.1s;
}
.form-group:nth-child(2) {
    animation-delay: 0.2s;
}
.form-group:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Success State Animation */
.form-control.success {
    border-color: #10b981;
    animation: successPulse 0.6s ease;
}

@keyframes successPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}