@charset "utf-8";

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

body {
    background: linear-gradient(135deg, #145c5a 0%, #1a7472 40%, #2aa9a5 100%);
    font-family: 'Inter', 'Lato', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 1.5rem;
}

.signin-container {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.22);
    padding: 2rem 2.5rem 1.5rem;
    width: 100%;
    max-width: 420px;
    margin: 0;
}

.logo {
    text-align: center;
    margin-bottom: 0.75rem;
}

.logo img {
    width: 100px;
    height: auto;
}

.top-text {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.4px;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: #1a7472;
    text-transform: uppercase;
}

.signin-container h3 {
    font-weight: 700;
    font-size: 20px;
    margin: 0 0 1.25rem 0;
    text-align: center;
    color: #2d3748;
    letter-spacing: 0.2px;
}

/* Override Bootstrap 3 label */
label {
    font-weight: 600;
    font-size: 13px;
    color: #4a5568;
    margin-bottom: 3px;
}

/* Input group addon */
.input-group-addon {
    background-color: #f0faf9;
    border-color: #c9dedd;
    color: #1a7472;
    min-width: 38px;
    text-align: center;
}

/* Form control */
.form-control {
    border-color: #c9dedd;
    font-size: 14px;
    height: 38px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus {
    border-color: #2aa9a5;
    box-shadow: 0 0 0 3px rgba(42,169,165,0.18);
    outline: none;
}

/* Error text */
.login-error {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    border-radius: 4px;
    color: #c53030;
    padding: 6px 10px;
    margin-bottom: 10px;
    font-size: 13px;
    font-style: italic;
    text-align: center;
}

.login-button {
    width: 100%;
    background: linear-gradient(135deg, #1a7472, #2aa9a5);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    padding: 0.65rem 1rem;
    margin: 1rem 0 0.5rem 0;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.1s;
    letter-spacing: 0.3px;
}

.login-button:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

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

.copyright {
    font-size: 11px;
    text-align: center;
    color: rgba(255,255,255,0.65);
    margin-top: 1rem;
}

@media (max-width: 480px) {
    .signin-container {
        padding: 1.5rem 1.25rem;
        border-radius: 8px;
    }
}