/* ============================================================================
   Login Page Styles - ERP V2
   ============================================================================ */

:root {
    --primary-color: #FF6B47;
    --primary-hover: #FF5532;
    --secondary-color: #FFB800;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Urbanist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--gray-50);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================================================
   Login Container
   ============================================================================ */

.login-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    max-width: 1400px;
    min-height: 100vh;
    background: white;
    box-shadow: var(--shadow-xl);
}

/* ============================================================================
   Left Side - Illustration
   ============================================================================ */

.login-left {
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 3rem;
    position: relative;
}

.login-logo-section {
    margin-bottom: 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.logo-text-container {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
    margin: 0;
}

.logo-subtitle {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.2;
    margin: 0;
}

.illustration-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.illustration-img {
    max-width: 100%;
    max-height: 600px;
    width: auto;
    height: auto;
    object-fit: contain;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ============================================================================
   Right Side - Login Form
   ============================================================================ */

.login-right {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    background: white;
}

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

.login-heading {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 2rem;
}

.messages-section {
    margin-bottom: 1.5rem;
}

/* ============================================================================
   Login Form
   ============================================================================ */

.login-form {
    width: 100%;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    letter-spacing: normal;
    line-height: 1.5;
}

.input-group {
    position: relative;
    display: flex;
    align-items: stretch;
}

.input-group-text {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
    background-color: var(--gray-50);
    border: 1px solid var(--gray-300);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: var(--gray-500);
    font-size: 1.125rem;
}

.form-control {
    flex: 1;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--gray-900);
    background-color: white;
    border: 1px solid var(--gray-300);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 71, 0.1);
}

.form-control.is-invalid {
    border-color: var(--danger-color, #dc3545);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.password-toggle {
    cursor: pointer;
    background-color: var(--gray-50);
    border: 1px solid var(--gray-300);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    transition: all var(--transition-fast);
}

.password-toggle:hover {
    background-color: var(--gray-100);
}

.invalid-feedback {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.875rem;
    color: var(--danger-color, #dc3545);
}

/* ============================================================================
   Submit Button
   ============================================================================ */

.btn-sign-in {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.0625rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    margin-top: 1rem;
    text-align: center;
}

.btn-sign-in:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-color) 100%);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-sign-in:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* ============================================================================
   Logout Icon
   ============================================================================ */

.logout-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 991px) {
    .login-container {
        grid-template-columns: 1fr;
    }

    .login-left {
        display: none;
    }

    .login-right {
        min-height: 100vh;
    }
}

@media (max-width: 767px) {
    .login-right {
        padding: 2rem 1.5rem;
    }

    .login-form-container {
        max-width: 100%;
    }

    .login-heading {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }

    .form-group {
        margin-bottom: 1.25rem;
    }
}

@media (max-width: 479px) {
    .login-right {
        padding: 1.5rem 1rem;
    }

    .login-heading {
        font-size: 1.5rem;
    }

    .logo-title {
        font-size: 1.5rem;
    }

    .btn-sign-in {
        padding: 0.875rem 1.25rem;
        font-size: 1rem;
    }
}