/**
 * Login Page Styles
 *
 * Professional styling for the Trade Buddy Signals Dashboard login page.
 */

:root {
    --primary-color: #0C1D3B;
    --primary-dark: #142850;
    --background-gradient-start: #1a2f4f;
    --background-gradient-end: #0C1D3B;
    --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--background-gradient-start) 0%, var(--background-gradient-end) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--card-shadow);
    animation: slideUp 0.4s ease-out;
}

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

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.login-logo {
    width: 80px;
    height: auto;
    object-fit: contain;
}

.login-header h1 {
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.login-header .text-muted {
    font-size: 14px;
    color: #6c757d;
}

.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 8px;
}

.input-group-text {
    background-color: #f8f9fa;
    border-right: none;
    color: #6c757d;
}

.input-group .form-control {
    border-left: none;
    padding-left: 0;
}

.input-group .form-control:focus {
    box-shadow: none;
    border-color: #dee2e6;
}

.input-group:focus-within .input-group-text {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.input-group:focus-within .form-control {
    border-color: var(--primary-color);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 12px;
    font-weight: 600;
    font-size: 16px;
    border-radius: 8px;
    transition: all 0.2s;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(12, 29, 59, 0.3);
}

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e9ecef;
}

.login-footer .text-muted {
    font-size: 13px;
}

.login-footer .bi {
    margin-right: 4px;
    color: #28a745;
}

#alertContainer {
    margin-bottom: 20px;
}

.alert {
    border-radius: 8px;
    font-size: 14px;
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .login-card {
        padding: 30px 20px;
    }

    .logo-icon {
        font-size: 40px;
    }
}