/*
 * Premium Login Page Styles
 * Version: 2.1
 */

:root {
    --primary-color: #4f46e5; /* Indigo 600 */
    --primary-hover: #4338ca; /* Indigo 700 */
    --bg-color: #f3f4f6;      /* Slate 100 */
    --card-bg: #ffffff;
    --text-main: #111827;
    --text-muted: #6b7280;
    --input-bg: #ffffff;
    --input-border: #d1d5db;
    --focus-ring: rgba(79, 70, 229, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    /* Subtle dot pattern for a technical, modern feel */
    background-image: radial-gradient(#e5e7eb 1px, transparent 1px);
    background-size: 24px 24px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 1rem;
}

.login-container {
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* --- Login Card --- */
.login-card {
    width: 100%;
    background: var(--card-bg);
    border-radius: 12px;
    /* Modern multi-layered shadow */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* --- Branding Section --- */
.login-branding {
    /* Tighter branding section */
    min-height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 2.5rem;
    text-align: center;
}

/* Animation for switching content */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

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

.company-logo {
    max-height: 60px; /* Slightly smaller for a tighter look */
    max-width: 100%;
    object-fit: contain;
    margin-bottom: 0.75rem;
}

.company-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: -0.01em;
    margin: 0;
}

.welcome-message {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.welcome-subtext {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* --- Form Elements --- */
.form-floating > .form-control {
    border-radius: 8px;
    border: 1px solid var(--input-border);
    background-color: var(--input-bg);
    font-size: 0.95rem;
    color: var(--text-main);
    height: calc(3.5rem + 2px);
    line-height: 1.25;
}

.form-floating > .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--focus-ring);
    outline: none;
}

.form-floating > label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    padding: 0.75rem;
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
    margin-top: 1.5rem;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn-primary:active {
    transform: translateY(0);
    opacity: 0.9;
}

/* --- Alerts --- */
.alert {
    border-radius: 8px;
    font-size: 0.875rem;
    border: none;
    padding: 0.75rem 1rem;
}

.alert-danger {
    background-color: #fef2f2; /* Red 50 */
    color: #b91c1c; /* Red 700 */
    border: 1px solid #fecaca;
}

.alert-success {
    background-color: #f0fdf4; /* Green 50 */
    color: #15803d; /* Green 700 */
    border: 1px solid #bbf7d0;
}

/* --- Footer --- */
.login-footer {
    margin-top: 2rem;
    text-align: center;
}

.footer-text {
    font-size: 0.75rem;
    color: #9ca3af;
    margin: 0;
}