body {
    background-color: var(--bg-body);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

/* Centered Compact Premium Card Wrapper */
.login-card {
    background-color: var(--bg-card);
    border: none;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 460px;
    /* Perfect form sizing */
    position: relative;
    padding: 3.5rem 2.5rem 3rem 2.5rem;
    transition: background-color 0.3s ease;
}

/* Floating Theme Toggler Button */
.theme-toggler {
    position: absolute;
    top: 25px;
    right: 25px;
    background: rgba(148, 163, 184, 0.15);
    border: none;
    padding: 8px 14px;
    border-radius: 50px;
    cursor: pointer;
    color: var(--text-main);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 100;
    transition: all 0.2s ease;
}

.theme-toggler:hover {
    background: rgba(148, 163, 184, 0.25);
}

.form-control {
    background-color: var(--input-bg) !important;
    border: 1px solid var(--input-border);
    color: var(--text-main) !important;
    border-radius: 10px;
    padding: 1.5rem 1rem 1.5rem 2.75rem;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

.input-group-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #64748b;
    z-index: 10;
}

.form-group:focus-within .input-group-icon {
    color: #3b82f6;
}

.btn-premium {
    background-color: #2563eb;
    border: none;
    color: white;
    padding: 0.8rem;
    font-weight: 600;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    transition: all 0.2s ease;
}

.btn-premium:hover {
    background-color: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.pass-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    z-index: 10;
}

.text-cyan {
    color: #22d3ee;
}

.text-main-color {
    color: var(--text-main);
}

.text-gray-muted {
    color: var(--text-muted);
}

.label-custom {
    color: var(--label-color);
}