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



.auth-container {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 440px;
}

/* Logo */
.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo svg {
    display: inline-block;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid #e0e0e0;
}

.tab {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    color: #666;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: -2px;
}

.tab:hover {
    color: #667eea;
}

.tab.active {
    color: #667eea;
    border-bottom-color: #667eea;
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s;
}

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

h1 {
    color: #333;
    margin-bottom: 8px;
    font-size: 28px;
}

.subtitle {
    color: #666;
    margin-bottom: 25px;
    font-size: 14px;
}

/* Messages */
.message {
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.message.show {
    display: block;
}

.message.error {
    background: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.message.success {
    background: #efe;
    color: #3c3;
    border: 1px solid #cfc;
}

.message.info {
    background: #e3f2fd;
    color: #1976d2;
    border: 1px solid #bbdefb;
}

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

label {
    display: block;
    margin-bottom: 6px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 15px;
    transition: border-color 0.3s;
}

input:focus {
    outline: none;
    border-color: #667eea;
}

input:disabled {
    background: #f5f5f5;
    cursor: not-allowed;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 10px;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

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

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-google {
    background: white;
    color: #333;
    border: 2px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-google:hover:not(:disabled) {
    border-color: #4285f4;
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.3);
}

.btn-google img {
    width: 20px;
    height: 20px;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 20px 0;
    color: #999;
    font-size: 13px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #e0e0e0;
}

.divider span {
    padding: 0 15px;
}

/* Links */
.forgot-link {
    display: block;
    margin-top: 8px;
    color: #667eea;
    font-size: 13px;
    text-decoration: none;
}

.forgot-link:hover {
    text-decoration: underline;
}

/* Loading */
.loading {
    display: none;
    text-align: center;
    padding: 20px;
    color: #667eea;
}

.loading.show {
    display: block;
}

.spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 10px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Mobile */
@media (max-width: 480px) {
    .auth-container {
        padding: 30px 20px;
    }

    h1 {
        font-size: 24px;
    }
}

/* Enhanced info messages */
.message.info {
    background: #e3f2fd;
    color: #1565c0;
    border: 2px solid #90caf9;
}

.message.info strong {
    color: #0d47a1;
}

.message.info .btn {
    width: auto;
    min-width: 200px;
    margin: 0;
}

.message.info .btn:disabled {
    background: #ccc !important;
    cursor: not-allowed;
}

/* Password Toggle Eye Icon */
.form-group {
    position: relative;
}

.form-group input[type="password"],
.form-group input[type="text"][id*="password"] {
    padding-right: 45px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 48px;
    cursor: pointer;
    user-select: none;
    font-size: 20px;
    opacity: 0.6;
    transition: opacity 0.2s;
    line-height: 1;
}

.toggle-password:hover {
    opacity: 1;
}