/* login.css - login page styling */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    position: relative;
}

#app-version-corner {
    position: fixed;
    bottom: 1rem;
    right: 1.5rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    font-weight: 500;
}

#login-container {
    width: 100%;
    max-width: 25rem;
    padding: 1.25rem;
}

#login-box {
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

#login-header {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    padding: 2rem 2rem 1.5rem;
    text-align: center;
}

#app-title {
    font-size: 1.75rem;
    font-weight: bold;
    letter-spacing: 0.0625rem;
}

#login-form {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 500;
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 0.1875rem rgba(52, 152, 219, 0.1);
}

.error-message {
    color: #e74c3c;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    padding: 0.625rem;
    background: rgba(231, 76, 60, 0.1);
    border-radius: 0.375rem;
    border-left: 3px solid #e74c3c;
    display: none;
}

.error-message.visible {
    display: block;
}

#login-button {
    width: 100%;
    padding: 0.875rem;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

#login-button:hover:not(:disabled) {
    background: linear-gradient(135deg, #2980b9, #21618c);
    transform: translateY(-0.0625rem);
    box-shadow: 0 0.25rem 0.75rem rgba(52, 152, 219, 0.4);
}

#login-button:active:not(:disabled) {
    transform: translateY(0);
}

#login-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

#button-spinner {
    display: none;
}

#login-button.loading #button-text {
    visibility: hidden;
}

#login-button.loading #button-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

#login-footer {
    padding: 1.25rem 2rem;
    background: #f8f9fa;
    text-align: center;
    color: #7f8c8d;
    font-size: 0.8125rem;
    font-style: italic;
}

#login-footer p {
    margin: 0;
}

/* responsive design */
@media (max-width: 30rem) {
    #login-container {
        padding: 0.75rem;
    }

    #login-form {
        padding: 1.5rem;
    }

    #login-header {
        padding: 1.5rem 1.5rem 1rem;
    }

    #app-title {
        font-size: 1.5rem;
    }
}

@media (max-height: 40rem) {
    #login-container {
        padding: 0.5rem;
    }

    #login-header {
        padding: 1.25rem 2rem 1rem;
    }

    #login-form {
        padding: 1.5rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }
}