/* Global Variables */
:root {
    --primary-color: #4361ee;
    --primary-light: #4895ef;
    --secondary-color: #3f37c9;
    --accent-color: #f72585;
    --success-color: #4cc9f0;
    --warning-color: #f39c12;
    --danger-color: #e63946;
    --dark-color: #1d3557;
    --light-color: #f8f9fa;
    --body-bg: #f5f7fa;
    --card-bg: #ffffff;
    --text-main: #333;
    --text-muted: #6c757d;
    --border-color: #e9ecef;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 5px 15px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --transition: all 0.3s ease;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
}

/* Base Styles */
body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--body-bg);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

/* Container Styles */
.container {
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-md);
}

/* Login Form Styles */
.login-form {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.login-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
}

/* Logo Styles */
.logo-container {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.logo-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    position: relative;
}

.logo-icon::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 50px;
    background-color: rgba(67, 97, 238, 0.1);
    border-radius: 50%;
    z-index: -1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

/* Heading Styles */
h2 {
    text-align: center;
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    font-size: 1.75rem;
    position: relative;
    padding-bottom: var(--spacing-sm);
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    border-radius: 3px;
}

/* Form Group Styles */
.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

/* Input Styles */
input[type="text"],
input[type="password"],
input[type="email"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--light-color);
    color: var(--dark-color);
    box-sizing: border-box;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

/* Input with Icon */
.input-with-icon {
    position: relative;
}

.input-with-icon input {
    padding-left: 40px;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Button Styles */
button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(67, 97, 238, 0.15);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

button:hover {
    background: linear-gradient(45deg, var(--primary-light), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(67, 97, 238, 0.2);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(67, 97, 238, 0.1);
}

button i {
    margin-right: 8px;
    font-size: 1.1rem;
}

/* Error Message Styles */
.error {
    color: var(--danger-color);
    text-align: center;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(230, 57, 70, 0.1);
    border-radius: var(--radius-md);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error i {
    margin-right: 8px;
    font-size: 1.1rem;
}

/* Maintenance Banner (always visible at top of card when mode is ON) */
.maintenance-banner {
    background: linear-gradient(135deg, #ff6b35, #f7c59f);
    color: #5c2a00;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid #e74c3c;
    animation: slideDown 0.4s ease;
}

.maintenance-banner i {
    font-size: 1.2rem;
    color: #c0392b;
    flex-shrink: 0;
}

/* Maintenance Error (shown after blocked login attempt) */
.maintenance-error {
    background-color: rgba(255, 107, 53, 0.12) !important;
    color: #c0392b !important;
    border: 1px solid rgba(231, 76, 60, 0.3);
    gap: 10px;
}

.maintenance-error i {
    color: #e67e22;
}

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


/* Link Styles */
a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

/* Forgot Password Link */
.forgot-password {
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: 0.95rem;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mr-1 { margin-right: var(--spacing-xs); }
.mr-2 { margin-right: var(--spacing-sm); }
.mr-3 { margin-right: var(--spacing-md); }

/* Responsive Styles */
@media (max-width: 480px) {
    .container {
        padding: var(--spacing-xs);
    }

    .login-form {
        padding: var(--spacing-lg);
    }

    h2 {
        font-size: 1.5rem;
    }
}