/* Login Page Styles for Dialmate AI */

.login-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a0033 0%, #2d1b69 25%, #4c1d95 50%, #7c3aed 75%, #a855f7 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(168, 85, 247, 0.2) 0%, transparent 50%);
    animation: liquidMove 20s ease-in-out infinite;
}

@keyframes liquidMove {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.login-card, .oauth-login-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 48px;
    width: 100%;
    max-width: 420px;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s ease-out;
}

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

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.login-title {
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 8px 0;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-weight: 400;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 4px;
}

.form-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 16px;
    font-size: 16px;
    color: #ffffff;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-input:focus {
    outline: none;
    border-color: #a855f7;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
}

/* Remember me checkbox styling */
.remember-me-group {
    margin: 8px 0;
}

.remember-me-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.remember-me-label:hover {
    color: rgba(255, 255, 255, 0.95);
}

.remember-me-checkbox {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.remember-me-checkbox:checked {
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    border-color: #a855f7;
}

.remember-me-checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.remember-me-checkbox:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
}

.remember-me-text {
    user-select: none;
}

.login-button {
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    border: none;
    border-radius: 12px;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(124, 58, 237, 0.4);
}

.login-button:active {
    transform: translateY(0);
}

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

.login-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.login-button:hover::before {
    left: 100%;
}

.login-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    padding: 12px;
    color: #fca5a5;
    font-size: 14px;
    text-align: center;
    margin-top: 16px;
    animation: shake 0.5s ease-in-out;
}

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

.login-success {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    color: #4caf50;
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 16px;
    font-size: 14px;
    text-align: center;
    animation: slideUp 0.5s ease-out;
}

.password-requirements {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 8px;
    font-size: 13px;
}

.requirements-title {
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 8px 0;
    font-weight: 500;
}

.requirements-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.requirements-list li {
    color: rgba(255, 255, 255, 0.6);
    margin: 4px 0;
    padding-left: 20px;
    position: relative;
    transition: color 0.3s ease;
}

.requirements-list li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: #f44336;
    transition: color 0.3s ease;
}

.requirements-list li.valid {
    color: #4caf50;
}

.requirements-list li.valid::before {
    content: "✓";
    color: #4caf50;
}

.login-footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.login-footer-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.forgot-password {
    color: #a855f7;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: #c084fc;
}

/* Loading spinner */
.login-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

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

/* Responsive design */
@media (max-width: 480px) {
    .login-card {
        margin: 20px;
        padding: 32px 24px;
    }
    
    .login-title {
        font-size: 28px;
    }
}

/* Hide main content when login is shown */
.login-active .container {
    display: none;
}

.login-active body {
    overflow: hidden;
}

/* OAuth Login Styles */
.oauth-login-section {
    margin: 32px 0;
}

.oauth-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
}

.oauth-button:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.oauth-button:active {
    transform: translateY(0);
}

.google-oauth-button {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.google-oauth-button:hover {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 8px 25px rgba(66, 133, 244, 0.3);
}

.email-login-button {
    background: rgba(124, 58, 237, 0.2);
    border-color: rgba(124, 58, 237, 0.3);
}

.email-login-button:hover {
    background: rgba(124, 58, 237, 0.3);
    border-color: rgba(124, 58, 237, 0.5);
}

.oauth-icon {
    flex-shrink: 0;
}

.oauth-divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    position: relative;
}

.oauth-divider::before {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.oauth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.divider-text {
    padding: 0 16px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 500;
}

.email-login-section {
    animation: slideDown 0.3s ease-out;
}

.auth-toggle {
    text-align: center;
    margin-top: 24px;
}

.auth-toggle-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin: 0;
}

.auth-link {
    color: #a855f7;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.auth-link:hover {
    color: #c084fc;
    text-decoration: underline;
}

.guest-access {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.guest-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
}

.guest-button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.2);
}

.oauth-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
}

.oauth-spinner .spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0;
}

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