/* Glass Morphism Login & Sign Up Styles */

/* Background Animation */
.glass-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #00f2fe 100%);
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
    z-index: -1;
    overflow: hidden;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.glass-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: float 20s linear infinite;
    pointer-events: none;
}

.glass-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 20% 50%, rgba(255, 107, 107, 0.2) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 80%, rgba(100, 200, 255, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

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

/* Glass Container */
.glass-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.glass-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    animation: slideUp 0.6s ease-out;
}

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

.glass-card h1 {
    text-align: center;
    color: #ffffff;
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.glass-card .subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    margin-bottom: 35px;
    font-weight: 300;
}

/* Form Group */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    margin-bottom: 8px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.form-group input::placeholder,
.form-group select::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group select:focus {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.4);
    outline: none;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* Select Styling */
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='rgba(255,255,255,0.8)' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
}

.form-group select option {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
}

/* Error Message */
.error-message {
    background: rgba(244, 67, 54, 0.2);
    border: 1px solid rgba(244, 67, 54, 0.4);
    color: #ffebee;
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    animation: slideDown 0.3s ease-out;
    backdrop-filter: blur(10px);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Success Message */
.success-message {
    background: rgba(76, 175, 80, 0.2);
    border: 1px solid rgba(76, 175, 80, 0.4);
    color: #c8e6c9;
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    animation: slideDown 0.3s ease-out;
    backdrop-filter: blur(10px);
}

/* Checkbox */
.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 400;
    text-transform: none;
    cursor: pointer;
    transition: color 0.3s ease;
}

.checkbox-label:hover {
    color: rgba(255, 255, 255, 1);
}

/* Submit Button */
.glass-btn {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 10px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.glass-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

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

.glass-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Link */
.glass-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

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

.glass-link:hover::after {
    width: 100%;
}

.glass-link:hover {
    color: #ffffff;
}

/* Switch Form */
.switch-form {
    text-align: center;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
}

.switch-form a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-left: 5px;
}

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

.switch-form a:hover::after {
    width: 100%;
}

/* Floating Icons */
.floating-icon {
    position: absolute;
    font-size: 3rem;
    opacity: 0.1;
    animation: float-icons 6s ease-in-out infinite;
    color: #ffffff;
    z-index: 0;
}

.floating-icon:nth-child(1) {
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    top: 20%;
    right: 10%;
    animation-delay: 2s;
}

.floating-icon:nth-child(3) {
    bottom: 15%;
    left: 10%;
    animation-delay: 4s;
}

@keyframes float-icons {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(20px); }
}

/* Responsive */
@media (max-width: 768px) {
    .glass-card {
        padding: 30px 20px;
        border-radius: 15px;
    }

    .glass-card h1 {
        font-size: 2rem;
    }

    .form-group input,
    .form-group select {
        padding: 10px 14px;
        font-size: 16px; /* Prevents zoom on mobile */
    }

    .floating-icon {
        display: none;
    }
}

@media (max-width: 480px) {
    .glass-card {
        padding: 25px 15px;
    }

    .glass-card h1 {
        font-size: 1.8rem;
    }

    .glass-card .subtitle {
        font-size: 0.85rem;
    }

    .form-group label {
        font-size: 0.85rem;
    }

    .glass-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}

/* Optional: Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}