/* General styles for login and registration pages */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: url('../img/NU background.webp') no-repeat center center fixed;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow-x: hidden; /* Only prevent horizontal scrolling */
    position: relative; /* For proper positioning of floating elements */
}

.container {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 30px 20px; /* Adjust padding for better responsiveness */
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 400px;
    min-height: 500px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center; /* Vertically centers the content */
    box-sizing: border-box; /* Includes padding in width/height calculations */
    margin: 10px; /* Added for spacing consistency */
}

.logo {
    width: 200px; /* Set a default logo width */
    height: auto; /* Maintain aspect ratio */
    margin-bottom: 20px;
    align-self: center; /* Center the logo */
}

h1 {
    margin-bottom: 20px;
    font-size: 28px; /* Adjusted for responsiveness */
    font-family: "Crimson Text", serif; /* Matching font family */
    font-weight: 400;
    font-style: normal;
    color: #007bff;
}

input, select, button {
    width: 100%; /* Ensure input fields never exceed container width */
    max-width: 100%; /* Prevent overflow */
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box; /* Prevents overflowing borders */
}

button {
    background-color: #007bff;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background-color: rgb(0, 179, 60);
    transform: translateY(-5px); /* Add slight hover movement */
}

button:disabled {
    background-color: #6c757d !important;
    cursor: not-allowed;
    transform: none;
}

button:disabled:hover {
    background-color: #6c757d !important;
    transform: none;
}

button.btn-success {
    background-color: #28a745;
}

button.btn-success:hover {
    background-color: #218838;
}

button.btn-secondary {
    background-color: #6c757d;
    margin-top: 10px;
}

button.btn-secondary:hover {
    background-color: #545b62;
    transform: translateY(-2px);
}

button.btn-warning {
    background-color: #ffc107;
    color: #212529;
}

button.btn-warning:hover {
    background-color: #e0a800;
    transform: translateY(-2px);
}

a {
    text-decoration: none;
    color: #007bff;
    font-size: 14px;
}

.error {
    color: red;
    height: 20px; /* Reserve space for error messages */
    margin-top: 10px;
    display: block;
    visibility: hidden; /* Initially hidden */
}

.error.visible {
    visibility: visible; /* Make error visible when needed */
}

.tooltip-inner {
    max-width: 200px;
    text-align: left;
    font-size: 0.9em;
}

/* OTP specific styles */
input[name="otp"] {
    font-size: 24px;
    letter-spacing: 8px;
    text-align: center;
    font-weight: bold;
    color: #007bff;
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 5px;
    font-size: 14px;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeeba;
}

.text-muted {
    color: #6c757d !important;
    font-size: 12px;
    display: block;
    margin-top: 5px;
}

/* Enhanced OTP Email Info Styles */
.otp-email-info {
    background-color: rgba(40, 167, 69, 0.05);
    border: 1px solid rgba(40, 167, 69, 0.2);
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 15px;
    text-align: center;
}

.otp-email-info small {
    font-size: 11px;
    color: #28a745;
    font-weight: 500;
    line-height: 1.3;
}

/* OTP Countdown Timer Styles */
.otp-countdown {
    font-size: 16px;
    font-weight: bold;
    color: #28a745;
    margin: 10px 0 15px 0;
    padding: 8px 12px;
    background-color: rgba(40, 167, 69, 0.08);
    border: 1px solid rgba(40, 167, 69, 0.2);
    border-radius: 6px;
    text-align: center;
    transition: all 0.3s ease;
}

.otp-countdown.warning {
    color: #ffc107;
    background-color: rgba(255, 193, 7, 0.08);
    border-color: rgba(255, 193, 7, 0.2);
}

.otp-countdown.danger {
    color: #dc3545;
    background-color: rgba(220, 53, 69, 0.08);
    border-color: rgba(220, 53, 69, 0.2);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(220, 53, 69, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0);
    }
}

/* Button Row Styles */
.button-row {
    display: flex;
    gap: 10px;
    margin: 10px 0;
}


.button-row button,
.button-row .btn {
    flex: 1;
    margin: 0;
    padding: 10px;
    font-size: 14px;
    font-weight: 600;
}

/* Text Success Color for Email Info */
.text-success {
    color: #28a745 !important;
    font-weight: 500;
}

/* Loading animation for button states */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Styles for Smaller Screens */
@media screen and (max-width: 768px) {
    .container {
        padding: 20px 15px; /* Reduce padding */
        min-height: 450px; /* Adjust minimum height */
    }
    h1 {
        font-size: 18px; /* Adjust heading size */
    }
    .logo {
        width: 200px; /* Make the logo smaller */
    }
    
    .step-title {
        font-size: 18px;
    }
    
    input[name="otp"] {
        font-size: 20px;
        letter-spacing: 6px;
    }
    
    .otp-countdown {
        font-size: 14px;
    }
    
    .otp-message small {
        font-size: 10px;
    }
    
    .button-row {
        flex-direction: column;
        gap: 5px;
    }
    
    .button-row button,
    .button-row .btn {
        width: 100%;
        margin: 5px 0;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 15px 10px; /* Further reduce padding for very small screens */
        min-height: 400px;
    }
    h1 {
        font-size: 16px;
    }
    .logo {
        width: 80px; /* Scale down the logo further */
    }
    input, select, button {
        font-size: 14px; /* Adjust font size for inputs */
    }
    
    .step-title {
        font-size: 16px;
    }
    
    input[name="otp"] {
        font-size: 18px;
        letter-spacing: 4px;
    }
    
    .otp-countdown {
        font-size: 12px;
        padding: 6px 10px;
    }
    
    .otp-sent {
        font-size: 10px;
    }
    
    .check-email {
        font-size: 7px;
    }
}