/* BTS Portal - Modern Login Styles */

:root {
    --bts-primary: #52b788;
    --bts-secondary: #40916c;
    --bts-accent: #74c69d;
    --bts-dark: #1b4332;
    --bts-success: #2d6a4f;
    --bts-danger: #e63946;
    --bts-light: #f8f9fa;
    --bts-gray: #6c757d;
    --bts-border: #d8f3dc;
}

/* Login Section */
.login-section {
    background-color: #0f172a; /* Dark slate matching landing page */
    background-image: 
        radial-gradient(circle at 80% 20%, rgba(82, 183, 136, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(45, 106, 79, 0.2) 0%, transparent 50%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.login-section::before {
    display: none; /* Remove old gradient overlay */
}

/* Login Card */
.login-card {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    max-width: 420px;
    width: 100%;
    margin: 0 auto;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--bts-primary), var(--bts-accent));
}

/* Login Header */
.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-logo {
    margin-bottom: 1.5rem;
}

.login-logo img {
    height: 60px;
    transition: transform 0.3s ease;
}

.login-logo img:hover {
    transform: scale(1.05);
}

.login-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--bts-dark);
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.login-subtitle {
    color: var(--bts-gray);
    font-size: 0.95rem;
    font-weight: 400;
}

/* Form Styles */
.form-floating > .form-control {
    border-radius: 12px;
    border: 2px solid #e2e8f0;
    padding-left: 1rem;
}

.form-floating > .form-control:focus {
    border-color: var(--bts-primary);
    box-shadow: 0 0 0 4px rgba(82, 183, 136, 0.1);
}

.form-floating > label {
    padding-left: 1rem;
}

.btn-login {
    background: var(--bts-primary);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.btn-login:hover {
    background: var(--bts-secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(82, 183, 136, 0.5);
    color: white;
}

.btn-link {
    color: var(--bts-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.btn-link:hover {
    color: var(--bts-dark);
}

.btn-outline-primary {
    color: var(--bts-primary);
    border-color: var(--bts-primary);
    border-radius: 12px;
    font-weight: 600;
}

.btn-outline-primary:hover {
    background-color: var(--bts-primary);
    border-color: var(--bts-primary);
}
    position: relative;
}

.form-floating {
    position: relative;
}

.form-floating > .form-control {
    border: 2px solid var(--bts-border);
    border-radius: 12px;
    padding: 1rem 1rem 1rem 1rem;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    height: auto;
    min-height: 58px;
}

.form-floating > .form-control:focus {
    border-color: var(--bts-primary);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
    background: #fff;
    transform: translateY(-1px);
}

.form-floating > .form-control::placeholder {
    color: transparent;
}

.form-floating > label {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    font-size: 0.95rem;
    color: var(--bts-gray);
    transition: all 0.3s ease;
    pointer-events: none;
    background: transparent;
    padding: 0;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    top: 0.5rem;
    left: 0.75rem;
    transform: translateY(0);
    font-size: 0.75rem;
    color: var(--bts-primary);
    font-weight: 600;
    background: #fff;
    padding: 0 0.25rem;
}

/* Password Field Enhancements */
.password-field {
    position: relative;
}

.password-toggle {
    /* match input height (desktop) */
    font-size: 1.15rem !important;
    width: 58px !important;
    height: 58px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    right: 0.6rem !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    padding: 0 !important;
    background: rgba(0,0,0,0) !important;
    border: none !important;
    cursor: pointer !important;
    color: var(--bts-gray) !important;
    border-radius: 6px !important;
}

.password-toggle:focus {
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.12) !important;
}

.password-toggle:hover {
    color: var(--bts-primary) !important;
}

/* Reset password field height to match username field (desktop 58px, mobile 48px) */
input[type="password"].form-control,
.password-field > .form-control[type="password"] {
    min-height: 58px !important;
    padding-top: 1rem !important;
    padding-bottom: 1rem !important;
}

@media (max-width: 576px) {
    input[type="password"].form-control,
    .password-field > .form-control[type="password"] {
        min-height: 48px !important;
        padding-top: 0.9rem !important;
        padding-bottom: 0.9rem !important;
    }

    /* match mobile input height */
    .password-toggle {
        font-size: 1.05rem !important;
        width: 48px !important;
        height: 48px !important;
        right: 0.5rem !important;
    }

    /* ensure input-group button also matches touch target */
    .input-group .btn {
        min-width: 48px !important;
        min-height: 48px !important;
        padding: 0.25rem !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
}

/* Checkbox Styles */
.form-check {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--bts-border);
    border-radius: 6px;
    background-color: #fff;
    transition: all 0.2s ease;
    margin: 0;
}

.form-check-input:checked {
    background-color: var(--bts-primary);
    border-color: var(--bts-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

.form-check-label {
    font-size: 0.9rem;
    color: var(--bts-gray);
    cursor: pointer;
}

/* Login Button */
.btn-login {
    background: linear-gradient(135deg, var(--bts-primary), var(--bts-secondary));
    border: none;
    border-radius: 12px;
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.875rem 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-login:hover {
    background: linear-gradient(135deg, var(--bts-dark), var(--bts-primary));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(41, 128, 185, 0.3);
    color: #fff;
}

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

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-login.loading {
    pointer-events: none;
}

.btn-login.loading .btn-text {
    opacity: 0.7;
}

/* Outline Button */
.btn-outline-login {
    border: 2px solid var(--bts-primary);
    background: transparent;
    color: var(--bts-primary);
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-outline-login:hover {
    background: var(--bts-primary);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(41, 128, 185, 0.2);
    text-decoration: none;
}

/* Links */
.login-links {
    margin: 1.5rem 0;
}

.login-link {
    color: var(--bts-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.login-link:hover {
    color: var(--bts-dark);
    text-decoration: none;
}

/* Footer */
.login-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--bts-border);
}

.divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
    color: var(--bts-gray);
    font-size: 0.9rem;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--bts-border);
    z-index: 1;
}

.divider span {
    background: rgba(255, 255, 255, 0.95);
    padding: 0 1rem;
    position: relative;
    z-index: 2;
}

.signup-link {
    text-align: center;
}

.signup-link p {
    color: var(--bts-gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Validation */
.text-danger {
    color: var(--bts-danger) !important;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: block;
}

.alert-danger {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.2);
    border-radius: 8px;
    color: var(--bts-danger);
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

/* Loading Animation */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.fa-spin {
    animation: spin 1s linear infinite;
}

/* Responsive Design */
@media (max-width: 576px) {
    /* Make the card use the full width but keep inner padding */
    .login-card {
        padding: 1rem !important;
        margin: 0.5rem !important;
        max-width: calc(100% - 1rem) !important;
        width: calc(100% - 1rem) !important;
    }

    /* Stack labels above inputs to avoid absolute positioning collisions */
    .form-floating > label {
        position: static !important;
        transform: none !important;
        top: auto !important;
        left: auto !important;
        display: block !important;
        margin-bottom: 0.375rem !important;
        font-size: 0.95rem !important;
        color: var(--bts-dark) !important;
        background: transparent !important;
        padding: 0 !important;
    }

    /* Ensure inputs have enough height and padding */
    .form-floating > .form-control {
        padding: 0.9rem 0.9rem !important;
        min-height: 48px !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    /* Prevent overlapping when label animation tries to move */
    .form-floating > .form-control:focus ~ label,
    .form-floating > .form-control:not(:placeholder-shown) ~ label {
        top: auto !important;
        left: auto !important;
        transform: none !important;
        font-size: 0.95rem !important;
    }

    /* Slightly increase spacing in header and footer */
    .login-header {
        margin-bottom: 0.75rem !important;
    }

    .login-title {
        font-size: 1.25rem !important;
    }

    .login-subtitle {
        font-size: 0.9rem !important;
        margin-bottom: 0.75rem !important;
    }

    /* Ensure the toggle password button doesn't overlap input on small widths */
    .input-group .btn {
        min-width: 44px !important;
        padding: 0.35rem 0.5rem !important;
    }

    /* Make alert blocks full width and readable */
    .alert {
        word-break: break-word !important;
        white-space: normal !important;
    }
}

@media (max-width: 480px) {
    .login-section {
        padding: 1rem 0;
    }
    
    .login-card {
        margin: 0.5rem;
        padding: 1.5rem 1rem;
    }
}

/* Animation Effects */
.login-card {
    animation: slideInUp 0.6s ease-out;
}

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

/* Focus States for Accessibility */
.form-control:focus,
.btn:focus,
.form-check-input:focus {
    outline: none;
}

.btn-login:focus {
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.3);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .login-card {
        background: #fff;
        border: 2px solid #000;
    }
    
    .form-floating > .form-control {
        border: 2px solid #000;
    }
    
    .btn-login {
        background: #000;
        border: 2px solid #000;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .login-card,
    .form-floating > .form-control,
    .btn-login,
    .login-link {
        transition: none;
    }
    
    .login-card {
        animation: none;
    }
}